diff --git a/ChangeLog b/ChangeLog
index bd560e183f2a551338ac6df22b028dc49b38ec05..e6e1b407b1dd89e5881977935bbd4c6d0062aa31 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * Source/autotools/SetupWebKitFeatures.m4:
+        * Source/cmake/OptionsBlackBerry.cmake:
+        * Source/cmake/WebKitFeatures.cmake:
+        * Source/cmakeconfig.h.cmake:
+
 2013-09-30  Allan Sandfeld Jensen  <allan.jensen@digia.com>
 
         [Qt] Fix force_static_libs_as_shared in WebKit2
diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
index cfb3a2b02b9fc5e706dcef8455bd5fe25d5c509f..60a77f7b2dfd8645f1ba0f157ae61e6cce7fd833 100644
--- a/Source/JavaScriptCore/ChangeLog
+++ b/Source/JavaScriptCore/ChangeLog
@@ -1,3 +1,12 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * Configurations/FeatureDefines.xcconfig:
+
 2013-09-30  Andreas Kling  <akling@apple.com>
 
         Pass VM instead of ExecState to ObjectPrototype constructor.
diff --git a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
index e91b1f6b7ac7016c270ff025b8a4834200df58d9..aa321fe645b964a453180f9771a2dad9c6d9dc45 100644
--- a/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
+++ b/Source/JavaScriptCore/Configurations/FeatureDefines.xcconfig
@@ -165,7 +165,6 @@ ENABLE_SHARED_WORKERS = ENABLE_SHARED_WORKERS;
 ENABLE_SPEECH_SYNTHESIS = $(ENABLE_SPEECH_SYNTHESIS_$(PLATFORM_NAME));
 ENABLE_SPEECH_SYNTHESIS_macosx = ENABLE_SPEECH_SYNTHESIS;
 ENABLE_SQL_DATABASE = ENABLE_SQL_DATABASE;
-ENABLE_STYLE_SCOPED = ;
 ENABLE_SUBPIXEL_LAYOUT = ;
 ENABLE_SVG = ENABLE_SVG;
 ENABLE_SVG_FONTS = ENABLE_SVG_FONTS;
@@ -188,4 +187,4 @@ ENABLE_XSLT = ENABLE_XSLT;
 
 ENABLE_FTL_JIT = ;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_STYLE_SCOPED) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
index e8d8651bef3f3060556790315a34d7415c02505a..74a8e6bf8ad121e5ba1264b383f4671f9e402ff4 100644
--- a/Source/WTF/ChangeLog
+++ b/Source/WTF/ChangeLog
@@ -1,3 +1,12 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * wtf/FeatureDefines.h:
+
 2013-09-28  Mark Rowe  <mrowe@apple.com>
 
         Take Xcode's advice and enable some extra warnings.
diff --git a/Source/WTF/wtf/FeatureDefines.h b/Source/WTF/wtf/FeatureDefines.h
index 315388b9907f9b69a0de00bc71fccf2d7e0f236c..4e42025b8fa56c2abfb82c8d4a63f13dc11274dc 100644
--- a/Source/WTF/wtf/FeatureDefines.h
+++ b/Source/WTF/wtf/FeatureDefines.h
@@ -762,10 +762,6 @@
 #define ENABLE_SQL_DATABASE 1
 #endif
 
-#if !defined(ENABLE_STYLE_SCOPED)
-#define ENABLE_STYLE_SCOPED 0
-#endif
-
 #if !defined(ENABLE_SUBPIXEL_LAYOUT)
 #define ENABLE_SUBPIXEL_LAYOUT 0
 #endif
diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
index fe35697649db633625c29bee4453192feb8e8da1..d772a00b210d2ae3e13dac4cf8a92d565128d4c2 100644
--- a/Source/WebCore/ChangeLog
+++ b/Source/WebCore/ChangeLog
@@ -1,3 +1,51 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        Start cleaning the code related to <style scoped>. This patch
+        only removes the code with #ifdef guards.
+
+        * Configurations/FeatureDefines.xcconfig:
+        * WebCore.exp.in:
+        * bindings/generic/RuntimeEnabledFeatures.cpp:
+        (WebCore::RuntimeEnabledFeatures::RuntimeEnabledFeatures):
+        * bindings/generic/RuntimeEnabledFeatures.h:
+        * css/DocumentRuleSets.cpp:
+        (WebCore::DocumentRuleSets::appendAuthorStyleSheets):
+        * css/ElementRuleCollector.cpp:
+        (WebCore::ElementRuleCollector::matchScopedAuthorRules):
+        * css/StyleResolver.cpp:
+        (WebCore::StyleResolver::locateCousinList):
+        (WebCore::StyleResolver::canShareStyleWithElement):
+        (WebCore::StyleResolver::locateSharedStyle):
+        * css/StyleResolver.h:
+        (WebCore::StyleResolver::ensureScopeResolver):
+        * css/StyleScopeResolver.cpp:
+        * css/StyleScopeResolver.h:
+        * dom/Node.cpp:
+        * dom/Node.h:
+        * dom/ShadowRoot.cpp:
+        (WebCore::ShadowRoot::ShadowRoot):
+        * dom/ShadowRoot.h:
+        * html/HTMLStyleElement.cpp:
+        (WebCore::HTMLStyleElement::HTMLStyleElement):
+        (WebCore::HTMLStyleElement::parseAttribute):
+        (WebCore::HTMLStyleElement::insertedInto):
+        (WebCore::HTMLStyleElement::removedFrom):
+        * html/HTMLStyleElement.h:
+        * html/HTMLStyleElement.idl:
+        * testing/InternalSettings.cpp:
+        (WebCore::InternalSettings::Backup::Backup):
+        (WebCore::InternalSettings::Backup::restoreTo):
+        * testing/InternalSettings.h:
+        * testing/InternalSettings.idl:
+        * testing/Internals.cpp:
+        * testing/Internals.h:
+        * testing/Internals.idl:
+
 2013-09-30  Drew Yao  <ayao@apple.com>
 
         ASSERT(!m_hasBadParent) in InlineBox::parent() should be ASSERT_WITH_SECURITY_IMPLICATION
diff --git a/Source/WebCore/Configurations/FeatureDefines.xcconfig b/Source/WebCore/Configurations/FeatureDefines.xcconfig
index e91b1f6b7ac7016c270ff025b8a4834200df58d9..aa321fe645b964a453180f9771a2dad9c6d9dc45 100644
--- a/Source/WebCore/Configurations/FeatureDefines.xcconfig
+++ b/Source/WebCore/Configurations/FeatureDefines.xcconfig
@@ -165,7 +165,6 @@ ENABLE_SHARED_WORKERS = ENABLE_SHARED_WORKERS;
 ENABLE_SPEECH_SYNTHESIS = $(ENABLE_SPEECH_SYNTHESIS_$(PLATFORM_NAME));
 ENABLE_SPEECH_SYNTHESIS_macosx = ENABLE_SPEECH_SYNTHESIS;
 ENABLE_SQL_DATABASE = ENABLE_SQL_DATABASE;
-ENABLE_STYLE_SCOPED = ;
 ENABLE_SUBPIXEL_LAYOUT = ;
 ENABLE_SVG = ENABLE_SVG;
 ENABLE_SVG_FONTS = ENABLE_SVG_FONTS;
@@ -188,4 +187,4 @@ ENABLE_XSLT = ENABLE_XSLT;
 
 ENABLE_FTL_JIT = ;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_STYLE_SCOPED) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
diff --git a/Source/WebCore/WebCore.exp.in b/Source/WebCore/WebCore.exp.in
index eb58a2a31b39fe85b156fe36dd05904afbc72e7a..c211042da5b31b87e30f4ef69a9af62cc9a1302f 100644
--- a/Source/WebCore/WebCore.exp.in
+++ b/Source/WebCore/WebCore.exp.in
@@ -2728,10 +2728,6 @@ __ZN7WebCore8Document13svgExtensionsEv
 __ZN7WebCore8Document19accessSVGExtensionsEv
 #endif
 
-#if ENABLE(STYLE_SCOPED)
-__ZNK7WebCore4Node31numberOfScopedHTMLStyleChildrenEv
-#endif
-
 #if ENABLE(THREADED_SCROLLING)
 __ZN7WebCore13ScrollingTree37setScrollingPerformanceLoggingEnabledEb
 __ZN7WebCore13ScrollingTree21tryToHandleWheelEventERKNS_18PlatformWheelEventE
diff --git a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp
index 8820dc4ce23156ccfa1799a02c1a548013de9f12..93269072ffb50fbd6237c4b9a4a3c7e292751e60 100644
--- a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp
+++ b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.cpp
@@ -107,9 +107,6 @@ RuntimeEnabledFeatures::RuntimeEnabledFeatures()
 #if ENABLE(CUSTOM_ELEMENTS)
     , m_isCustomDOMElementsEnabled(false)
 #endif
-#if ENABLE(STYLE_SCOPED)
-    , m_isStyleScopedEnabled(false)
-#endif
 #if ENABLE(INPUT_TYPE_DATE)
     , m_isInputTypeDateEnabled(true)
 #endif
diff --git a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h
index 36bc42857aee1c71785f3008e4ce5d4130578d1e..83bc2fd91a3d9c5d1310e3f7e300faf39b7423cb 100644
--- a/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h
+++ b/Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h
@@ -244,11 +244,6 @@ public:
     void setCustomDOMElements(bool isEnabled) { m_isCustomDOMElementsEnabled = isEnabled; }
 #endif
 
-#if ENABLE(STYLE_SCOPED)
-    bool styleScopedEnabled() const { return m_isStyleScopedEnabled; }
-    void setStyleScopedEnabled(bool isEnabled) { m_isStyleScopedEnabled = isEnabled; }
-#endif
-
 #if ENABLE(INPUT_TYPE_DATE)
     bool inputTypeDateEnabled() const { return m_isInputTypeDateEnabled; }
     void setInputTypeDateEnabled(bool isEnabled) { m_isInputTypeDateEnabled = isEnabled; }
@@ -369,10 +364,6 @@ private:
     bool m_isCustomDOMElementsEnabled;
 #endif
 
-#if ENABLE(STYLE_SCOPED)
-    bool m_isStyleScopedEnabled;
-#endif
-
 #if ENABLE(INPUT_TYPE_DATE)
     bool m_isInputTypeDateEnabled;
 #endif
diff --git a/Source/WebCore/css/DocumentRuleSets.cpp b/Source/WebCore/css/DocumentRuleSets.cpp
index cbf9d82eb1346ed917f61d3cf1602267974b9393..92ced8a4c256a9f7af09629f63dfcd0b872bc820 100644
--- a/Source/WebCore/css/DocumentRuleSets.cpp
+++ b/Source/WebCore/css/DocumentRuleSets.cpp
@@ -94,7 +94,7 @@ void DocumentRuleSets::appendAuthorStyleSheets(unsigned firstNew, const Vector<R
         if (cssSheet->mediaQueries() && !medium->eval(cssSheet->mediaQueries(), resolver))
             continue;
         StyleSheetContents* sheet = cssSheet->contents();
-#if ENABLE(STYLE_SCOPED) || ENABLE(SHADOW_DOM)
+#if ENABLE(SHADOW_DOM)
         if (const ContainerNode* scope = StyleScopeResolver::scopeFor(cssSheet)) {
             // FIXME: Remove a dependency to calling a StyleResolver's member function.
             // If we can avoid calling resolver->ensureScopeResolver() here, we don't have to include "StyleResolver.h".
diff --git a/Source/WebCore/css/ElementRuleCollector.cpp b/Source/WebCore/css/ElementRuleCollector.cpp
index 030f98cb49d7e515ad63fe59375ec1d2aabc36e2..43eb1e9e693439ed9f51d4a372e598727503c7c4 100644
--- a/Source/WebCore/css/ElementRuleCollector.cpp
+++ b/Source/WebCore/css/ElementRuleCollector.cpp
@@ -230,7 +230,7 @@ void ElementRuleCollector::sortAndTransferMatchedRules()
 
 void ElementRuleCollector::matchScopedAuthorRules(bool includeEmptyRules)
 {
-#if ENABLE(STYLE_SCOPED) || ENABLE(SHADOW_DOM)
+#if ENABLE(SHADOW_DOM)
     if (!m_scopeResolver)
         return;
 
diff --git a/Source/WebCore/css/StyleResolver.cpp b/Source/WebCore/css/StyleResolver.cpp
index 375d8c110a7a9af1b1c60cced1540e00656ea9ec..62cb9cea47d878e90f8f23a93c53f5f8e3589f17 100644
--- a/Source/WebCore/css/StyleResolver.cpp
+++ b/Source/WebCore/css/StyleResolver.cpp
@@ -462,10 +462,6 @@ Node* StyleResolver::locateCousinList(Element* parent, unsigned& visitedNodeCoun
         return 0;
     if (!parent || !parent->isStyledElement())
         return 0;
-#if ENABLE(STYLE_SCOPED)
-    if (parent->hasScopedHTMLStyleChild())
-        return 0;
-#endif
     StyledElement* p = static_cast<StyledElement*>(parent);
     if (p->inlineStyle())
         return 0;
@@ -655,10 +651,6 @@ bool StyleResolver::canShareStyleWithElement(StyledElement* element) const
 
     if (element->hasID() && m_ruleSets.features().idsInRules.contains(element->idForStyleResolution().impl()))
         return false;
-#if ENABLE(STYLE_SCOPED)
-    if (element->hasScopedHTMLStyleChild())
-        return false;
-#endif
 
     // FIXME: We should share style for option and optgroup whenever possible.
     // Before doing so, we need to resolve issues in HTMLSelectElement::recalcListItems
@@ -742,10 +734,6 @@ RenderStyle* StyleResolver::locateSharedStyle()
         return 0;
     if (parentElementPreventsSharing(state.element()->parentElement()))
         return 0;
-#if ENABLE(STYLE_SCOPED)
-    if (state.styledElement()->hasScopedHTMLStyleChild())
-        return 0;
-#endif
     if (state.element() == state.document().cssTarget())
         return 0;
     if (elementHasDirectionAuto(state.element()))
diff --git a/Source/WebCore/css/StyleResolver.h b/Source/WebCore/css/StyleResolver.h
index 6754d7dd5bea503fdb9c397589319be312aba9ea..7c24d49cae4a18e4e40c3e8233776008a03f5951 100644
--- a/Source/WebCore/css/StyleResolver.h
+++ b/Source/WebCore/css/StyleResolver.h
@@ -193,18 +193,10 @@ public:
     const DocumentRuleSets& ruleSets() const { return m_ruleSets; }
     SelectorFilter& selectorFilter() { return m_selectorFilter; }
 
-#if ENABLE(STYLE_SCOPED) || ENABLE(SHADOW_DOM)
+#if ENABLE(SHADOW_DOM)
     StyleScopeResolver* ensureScopeResolver()
     {
-#if ENABLE(STYLE_SCOPED)
-#if ENABLE(SHADOW_DOM)
-        ASSERT(RuntimeEnabledFeatures::sharedFeatures().shadowDOMEnabled() || RuntimeEnabledFeatures::sharedFeatures().styleScopedEnabled());
-#else
-        ASSERT(RuntimeEnabledFeatures::sharedFeatures().styleScopedEnabled());
-#endif
-#else
         ASSERT(RuntimeEnabledFeatures::sharedFeatures().shadowDOMEnabled());
-#endif
         if (!m_scopeResolver)
             m_scopeResolver = adoptPtr(new StyleScopeResolver());
         return m_scopeResolver.get();
diff --git a/Source/WebCore/css/StyleScopeResolver.cpp b/Source/WebCore/css/StyleScopeResolver.cpp
index 2317ef2f98e8c0eedabce7a556fc61495d09f181..75bcfa1aa166e600a31e5b8cbe0f69f3afaca029 100644
--- a/Source/WebCore/css/StyleScopeResolver.cpp
+++ b/Source/WebCore/css/StyleScopeResolver.cpp
@@ -27,7 +27,7 @@
 #include "config.h"
 #include "StyleScopeResolver.h"
 
-#if ENABLE(STYLE_SCOPED) || ENABLE(SHADOW_DOM)
+#if ENABLE(SHADOW_DOM)
 
 #include "CSSStyleRule.h"
 #include "CSSStyleSheet.h"
@@ -225,4 +225,4 @@ void StyleScopeResolver::matchHostRules(const Element* element, Vector<RuleSet*>
 
 }
 
-#endif // ENABLE(STYLE_SCOPED)
+#endif // ENABLE(SHADOW_DOM)
diff --git a/Source/WebCore/css/StyleScopeResolver.h b/Source/WebCore/css/StyleScopeResolver.h
index 5d2fe6bdb42d1acb47eca42fe6e50520c46fc5f8..7cf46883fb50e2801f6437ae08eb88baa394c3d7 100644
--- a/Source/WebCore/css/StyleScopeResolver.h
+++ b/Source/WebCore/css/StyleScopeResolver.h
@@ -43,7 +43,7 @@ class ShadowRoot;
 class StyleRuleHost;
 struct RuleFeatureSet;
 
-#if ENABLE(STYLE_SCOPED) || ENABLE(SHADOW_DOM)
+#if ENABLE(SHADOW_DOM)
 
 class StyleScopeResolver {
 public:
@@ -118,7 +118,7 @@ public:
     RuleSet* ensureRuleSetFor(const ContainerNode*) { return 0; }
 };
 
-#endif // ENABLE(STYLE_SCOPED)
+#endif // ENABLE(SHADOW_DOM)
 
 } // namespace WebCore
 
diff --git a/Source/WebCore/dom/Node.cpp b/Source/WebCore/dom/Node.cpp
index 616c57c24fdd3d3e16d51d5311e892cd4314349b..ed2d1773081a96de9c678798664c0657c1ee6f82 100644
--- a/Source/WebCore/dom/Node.cpp
+++ b/Source/WebCore/dom/Node.cpp
@@ -2326,34 +2326,6 @@ void Node::updateAncestorConnectedSubframeCountForInsertion() const
         node->incrementConnectedSubframeCount(count);
 }
 
-#if ENABLE(STYLE_SCOPED)
-// FIXME: What is this code doing in Node, srsly?
-void Node::registerScopedHTMLStyleChild()
-{
-    setHasScopedHTMLStyleChild(true);
-}
-
-void Node::unregisterScopedHTMLStyleChild()
-{
-    ASSERT(hasScopedHTMLStyleChild());
-    setHasScopedHTMLStyleChild(numberOfScopedHTMLStyleChildren());
-}
-
-size_t Node::numberOfScopedHTMLStyleChildren() const
-{
-    if (!isContainerNode())
-        return 0;
-    size_t count = 0;
-    auto styleDescendants = descendantsOfType<HTMLStyleElement>(toContainerNode(this));
-    for (auto style = styleDescendants.begin(), end = styleDescendants.end(); style != end; ++style) {
-        if (style->isRegisteredAsScoped())
-            count++;
-    }
-
-    return count;
-}
-#endif
-
 } // namespace WebCore
 
 #ifndef NDEBUG
diff --git a/Source/WebCore/dom/Node.h b/Source/WebCore/dom/Node.h
index 513d6bb6b4a0ec237a0a7c9851ed1d76ef3f7757..513cf5df62a97d1f125b64ab3003a83a4d695df7 100644
--- a/Source/WebCore/dom/Node.h
+++ b/Source/WebCore/dom/Node.h
@@ -343,11 +343,6 @@ public:
     void setInNamedFlow() { setFlag(InNamedFlowFlag); }
     void clearInNamedFlow() { clearFlag(InNamedFlowFlag); }
 
-#if ENABLE(STYLE_SCOPED)
-    bool hasScopedHTMLStyleChild() const { return getFlag(HasScopedHTMLStyleChildFlag); }
-    void setHasScopedHTMLStyleChild(bool flag) { setFlag(flag, HasScopedHTMLStyleChildFlag); }
-#endif
-
     bool hasEventTargetData() const { return getFlag(HasEventTargetDataFlag); }
     void setHasEventTargetData(bool flag) { setFlag(flag, HasEventTargetDataFlag); }
 
@@ -579,12 +574,6 @@ public:
     void unregisterTransientMutationObserver(MutationObserverRegistration*);
     void notifyMutationObserversNodeWillDetach();
 
-#if ENABLE(STYLE_SCOPED)
-    virtual void registerScopedHTMLStyleChild();
-    virtual void unregisterScopedHTMLStyleChild();
-    size_t numberOfScopedHTMLStyleChildren() const;
-#endif
-
     void textRects(Vector<IntRect>&) const;
 
     unsigned connectedSubframeCount() const;
@@ -627,12 +616,9 @@ private:
         InNamedFlowFlag = 1 << 19,
         HasSyntheticAttrChildNodesFlag = 1 << 20,
         HasCustomStyleResolveCallbacksFlag = 1 << 21,
-#if ENABLE(STYLE_SCOPED)
-        HasScopedHTMLStyleChildFlag = 1 << 22,
-#endif
-        HasEventTargetDataFlag = 1 << 23,
-        NeedsNodeRenderingTraversalSlowPathFlag = 1 << 25,
-        IsInShadowTreeFlag = 1 << 26,
+        HasEventTargetDataFlag = 1 << 22,
+        NeedsNodeRenderingTraversalSlowPathFlag = 1 << 23,
+        IsInShadowTreeFlag = 1 << 24,
 
         DefaultNodeFlags = IsParsingChildrenFinishedFlag
     };
diff --git a/Source/WebCore/dom/ShadowRoot.cpp b/Source/WebCore/dom/ShadowRoot.cpp
index 4543653a1b04e6846ca59fcee19efb4e0076dce4..4a496fce4296a83f467b99f592ee8d3ef2cc8ac3 100644
--- a/Source/WebCore/dom/ShadowRoot.cpp
+++ b/Source/WebCore/dom/ShadowRoot.cpp
@@ -55,9 +55,6 @@ enum ShadowRootUsageOriginType {
 ShadowRoot::ShadowRoot(Document& document, ShadowRootType type)
     : DocumentFragment(0, CreateShadowRoot)
     , TreeScope(this, &document)
-#if ENABLE(STYLE_SCOPED)
-    , m_numberOfStyles(0)
-#endif
     , m_applyAuthorStyles(false)
     , m_resetStyleInheritance(false)
     , m_type(type)
@@ -158,21 +155,6 @@ void ShadowRoot::childrenChanged(const ChildChange& change)
     invalidateDistribution();
 }
 
-#if ENABLE(STYLE_SCOPED)
-void ShadowRoot::registerScopedHTMLStyleChild()
-{
-    ++m_numberOfStyles;
-    setHasScopedHTMLStyleChild(true);
-}
-
-void ShadowRoot::unregisterScopedHTMLStyleChild()
-{
-    ASSERT(hasScopedHTMLStyleChild() && m_numberOfStyles > 0);
-    --m_numberOfStyles;
-    setHasScopedHTMLStyleChild(m_numberOfStyles > 0);
-}
-#endif
-
 void ShadowRoot::removeAllEventListeners()
 {
     DocumentFragment::removeAllEventListeners();
diff --git a/Source/WebCore/dom/ShadowRoot.h b/Source/WebCore/dom/ShadowRoot.h
index 33f575a041ce944e59110066eabe827558da7e77..93d912fc5d19794fcb4c39d377d90b4df434229e 100644
--- a/Source/WebCore/dom/ShadowRoot.h
+++ b/Source/WebCore/dom/ShadowRoot.h
@@ -69,11 +69,6 @@ public:
 
     Element* activeElement() const;
 
-#if ENABLE(STYLE_SCOPED)
-    virtual void registerScopedHTMLStyleChild() OVERRIDE;
-    virtual void unregisterScopedHTMLStyleChild() OVERRIDE;
-#endif
-
     ShadowRootType type() const { return static_cast<ShadowRootType>(m_type); }
 
     PassRefPtr<Node> cloneNode(bool, ExceptionCode&);
@@ -96,9 +91,6 @@ private:
     // FIXME: This shouldn't happen. https://bugs.webkit.org/show_bug.cgi?id=88834
     bool isOrphan() const { return !hostElement(); }
 
-#if ENABLE(STYLE_SCOPED)
-    unsigned m_numberOfStyles : 28;
-#endif
     unsigned m_applyAuthorStyles : 1;
     unsigned m_resetStyleInheritance : 1;
     unsigned m_type : 1;
diff --git a/Source/WebCore/html/HTMLStyleElement.cpp b/Source/WebCore/html/HTMLStyleElement.cpp
index a98bf1489995763ef8571e704e00fdbaaa569a7d..ed628144f7da977b4922018f353b917cd0a62e54 100644
--- a/Source/WebCore/html/HTMLStyleElement.cpp
+++ b/Source/WebCore/html/HTMLStyleElement.cpp
@@ -50,9 +50,6 @@ inline HTMLStyleElement::HTMLStyleElement(const QualifiedName& tagName, Document
     , m_styleSheetOwner(document, createdByParser)
     , m_firedLoad(false)
     , m_loadedSheet(false)
-#if ENABLE(STYLE_SCOPED)
-    , m_scopedStyleRegistrationState(NotRegistered)
-#endif
 {
     ASSERT(hasTagName(styleTag));
 }
@@ -75,10 +72,6 @@ void HTMLStyleElement::parseAttribute(const QualifiedName& name, const AtomicStr
 {
     if (name == titleAttr && sheet())
         sheet()->setTitle(value);
-#if ENABLE(STYLE_SCOPED)
-    else if (name == scopedAttr && RuntimeEnabledFeatures::sharedFeatures().styleScopedEnabled())
-        scopedAttributeChanged(!value.isNull());
-#endif
     else if (name == mediaAttr) {
         m_styleSheetOwner.setMedia(value);
         if (sheet()) {
@@ -98,119 +91,11 @@ void HTMLStyleElement::finishParsingChildren()
     HTMLElement::finishParsingChildren();
 }
 
-#if ENABLE(STYLE_SCOPED)
-void HTMLStyleElement::scopedAttributeChanged(bool scoped)
-{
-    ASSERT(RuntimeEnabledFeatures::sharedFeatures().styleScopedEnabled());
-
-    if (!inDocument())
-        return;
-
-    if (scoped) {
-        // As any <style> in a shadow tree is treated as "scoped",
-        // need to remove the <style> from its shadow root.
-        if (m_scopedStyleRegistrationState == RegisteredInShadowRoot)
-            unregisterWithScopingNode(containingShadowRoot());
-
-        if (m_scopedStyleRegistrationState != RegisteredAsScoped)
-            registerWithScopingNode(true);
-        return;
-    }
-
-    // If the <style> was scoped, need to remove the <style> from the scoping
-    // element, i.e. the parent node.
-    if (m_scopedStyleRegistrationState == RegisteredAsScoped)
-        unregisterWithScopingNode(parentNode());
-
-    // As any <style> in a shadow tree is treated as "scoped",
-    // need to add the <style> to its shadow root.
-    if (isInShadowTree() && m_scopedStyleRegistrationState != RegisteredInShadowRoot)
-        registerWithScopingNode(false);
-}
-
-void HTMLStyleElement::registerWithScopingNode(bool scoped)
-{
-    // Note: We cannot rely on the 'scoped' element already being present when this method is invoked.
-    // Therefore we cannot rely on scoped()!
-    ASSERT(m_scopedStyleRegistrationState == NotRegistered);
-    ASSERT(inDocument());
-    if (m_scopedStyleRegistrationState != NotRegistered)
-        return;
-
-    ContainerNode* scope = scoped ? parentNode() : containingShadowRoot();
-    if (!scope)
-        return;
-    if (!scope->isElementNode() && !scope->isShadowRoot()) {
-        // DocumentFragment nodes should never be inDocument,
-        // <style> should not be a child of Document, PI or some such.
-        ASSERT_NOT_REACHED();
-        return;
-    }
-    scope->registerScopedHTMLStyleChild();
-    if (scope->isShadowRoot())
-        scope->shadowHost()->setNeedsStyleRecalc();
-    else
-        scope->setNeedsStyleRecalc();
-    if (inDocument() && !document().parsing() && document().hasLivingRenderTree())
-        document().styleResolverChanged(DeferRecalcStyle);
-
-    m_scopedStyleRegistrationState = scoped ? RegisteredAsScoped : RegisteredInShadowRoot;
-}
-
-void HTMLStyleElement::unregisterWithScopingNode(ContainerNode* scope)
-{
-    ASSERT(m_scopedStyleRegistrationState != NotRegistered || !RuntimeEnabledFeatures::sharedFeatures().styleScopedEnabled());
-    if (!isRegisteredAsScoped())
-        return;
-
-    ASSERT(scope);
-    if (scope) {
-        ASSERT(scope->hasScopedHTMLStyleChild());
-        scope->unregisterScopedHTMLStyleChild();
-        scope->setNeedsStyleRecalc();
-    }
-    if (inDocument() && !document().parsing() && document().hasLivingRenderTree())
-        document().styleResolverChanged(DeferRecalcStyle);
-
-    m_scopedStyleRegistrationState = NotRegistered;
-}
-
-bool HTMLStyleElement::scoped() const
-{
-    return RuntimeEnabledFeatures::sharedFeatures().styleScopedEnabled() && fastHasAttribute(scopedAttr);
-}
-
-void HTMLStyleElement::setScoped(bool scopedValue)
-{
-    setBooleanAttribute(scopedAttr, scopedValue);
-}
-
-Element* HTMLStyleElement::scopingElement() const
-{
-    if (!scoped())
-        return 0;
-
-    // FIXME: This probably needs to be refined for scoped stylesheets within shadow DOM.
-    // As written, such a stylesheet could style the host element, as well as children of the host.
-    // OTOH, this paves the way for a :bound-element implementation.
-    ContainerNode* parentOrShadowHost = parentOrShadowHostNode();
-    if (!parentOrShadowHost || !parentOrShadowHost->isElementNode())
-        return 0;
-
-    return toElement(parentOrShadowHost);
-}
-#endif // ENABLE(STYLE_SCOPED)
-
 Node::InsertionNotificationRequest HTMLStyleElement::insertedInto(ContainerNode* insertionPoint)
 {
     HTMLElement::insertedInto(insertionPoint);
-    if (insertionPoint->inDocument()) {
+    if (insertionPoint->inDocument())
         m_styleSheetOwner.insertedIntoDocument(document(), *this);
-#if ENABLE(STYLE_SCOPED)
-        if (m_scopedStyleRegistrationState == NotRegistered && (scoped() || isInShadowTree()))
-            registerWithScopingNode(scoped());
-#endif
-    }
 
     return InsertionDone;
 }
@@ -219,23 +104,6 @@ void HTMLStyleElement::removedFrom(ContainerNode* insertionPoint)
 {
     HTMLElement::removedFrom(insertionPoint);
 
-#if ENABLE(STYLE_SCOPED)
-    // In the current implementation, <style scoped> is only registered if the node is in the document.
-    // That is, because willRemove() is also called if an ancestor is removed from the document.
-    // Now, if we want to register <style scoped> even if it's not inDocument,
-    // we'd need to find a way to discern whether that is the case, or whether <style scoped> itself is about to be removed.
-    if (m_scopedStyleRegistrationState != NotRegistered) {
-        ContainerNode* scope;
-        if (m_scopedStyleRegistrationState == RegisteredInShadowRoot) {
-            scope = containingShadowRoot();
-            if (!scope)
-                scope = insertionPoint->containingShadowRoot();
-        } else
-            scope = parentNode() ? parentNode() : insertionPoint;
-        unregisterWithScopingNode(scope);
-    }
-#endif
-
     if (insertionPoint->inDocument())
         m_styleSheetOwner.removedFromDocument(document(), *this);
 }
diff --git a/Source/WebCore/html/HTMLStyleElement.h b/Source/WebCore/html/HTMLStyleElement.h
index fba0a03a297176cccecec42784820e59529c52e4..0b58496cb59b7eac73d90ae09bb7db4af609fd82 100644
--- a/Source/WebCore/html/HTMLStyleElement.h
+++ b/Source/WebCore/html/HTMLStyleElement.h
@@ -39,20 +39,6 @@ public:
     static PassRefPtr<HTMLStyleElement> create(const QualifiedName&, Document&, bool createdByParser);
     virtual ~HTMLStyleElement();
 
-#if ENABLE(STYLE_SCOPED)
-    bool scoped() const;
-    void setScoped(bool);
-    Element* scopingElement() const;
-    bool isRegisteredAsScoped() const
-    {
-        // Note: We cannot rely on the 'scoped' attribute still being present when this method is invoked.
-        // Therefore we cannot rely on scoped()!
-        if (m_scopedStyleRegistrationState == NotRegistered)
-            return false;
-        return true;
-    }
-#endif
-
     CSSStyleSheet* sheet() const { return m_styleSheetOwner.sheet(); }
 
     bool disabled() const;
@@ -79,24 +65,9 @@ private:
 
     virtual void addSubresourceAttributeURLs(ListHashSet<URL>&) const;
 
-#if ENABLE(STYLE_SCOPED)
-    void scopedAttributeChanged(bool);
-    void registerWithScopingNode(bool);
-    void unregisterWithScopingNode(ContainerNode*);
-#endif
-
     InlineStyleSheetOwner m_styleSheetOwner;
     bool m_firedLoad;
     bool m_loadedSheet;
-
-#if ENABLE(STYLE_SCOPED)
-    enum ScopedStyleRegistrationState {
-        NotRegistered,
-        RegisteredAsScoped,
-        RegisteredInShadowRoot
-    };
-    ScopedStyleRegistrationState m_scopedStyleRegistrationState;
-#endif
 };
 
 ELEMENT_TYPE_CASTS(HTMLStyleElement)
diff --git a/Source/WebCore/html/HTMLStyleElement.idl b/Source/WebCore/html/HTMLStyleElement.idl
index 74864c27d16181a546ed1fe265b57df265ce579b..7abf3839f8d57124a4505beab91d5ce4e52206fc 100644
--- a/Source/WebCore/html/HTMLStyleElement.idl
+++ b/Source/WebCore/html/HTMLStyleElement.idl
@@ -20,7 +20,6 @@
 
 interface HTMLStyleElement : HTMLElement {
     attribute boolean disabled;
-    [Conditional=STYLE_SCOPED] attribute boolean scoped;
     [Reflect] attribute DOMString media;
     [Reflect] attribute DOMString type;
 
diff --git a/Source/WebCore/testing/InternalSettings.cpp b/Source/WebCore/testing/InternalSettings.cpp
index a4cb95831d06222f8aae85e80a0d3be7081b6346..51e99296c517279c4d013e466aef42f601931790 100644
--- a/Source/WebCore/testing/InternalSettings.cpp
+++ b/Source/WebCore/testing/InternalSettings.cpp
@@ -72,9 +72,6 @@ InternalSettings::Backup::Backup(Settings& settings)
 #if ENABLE(SHADOW_DOM)
     , m_originalShadowDOMEnabled(RuntimeEnabledFeatures::sharedFeatures().shadowDOMEnabled())
     , m_originalAuthorShadowDOMForAnyElementEnabled(RuntimeEnabledFeatures::sharedFeatures().authorShadowDOMForAnyElementEnabled())
-#endif
-#if ENABLE(STYLE_SCOPED)
-    , m_originalStyleScoped(RuntimeEnabledFeatures::sharedFeatures().styleScopedEnabled())
 #endif
     , m_originalEditingBehavior(settings.editingBehaviorType())
 #if ENABLE(TEXT_AUTOSIZING)
@@ -108,9 +105,6 @@ void InternalSettings::Backup::restoreTo(Settings& settings)
 #if ENABLE(SHADOW_DOM)
     RuntimeEnabledFeatures::sharedFeatures().setShadowDOMEnabled(m_originalShadowDOMEnabled);
     RuntimeEnabledFeatures::sharedFeatures().setAuthorShadowDOMForAnyElementEnabled(m_originalAuthorShadowDOMForAnyElementEnabled);
-#endif
-#if ENABLE(STYLE_SCOPED)
-    RuntimeEnabledFeatures::sharedFeatures().setStyleScopedEnabled(m_originalStyleScoped);
 #endif
     settings.setEditingBehaviorType(m_originalEditingBehavior);
 
@@ -262,15 +256,6 @@ void InternalSettings::setAuthorShadowDOMForAnyElementEnabled(bool isEnabled)
 #endif
 }
 
-void InternalSettings::setStyleScopedEnabled(bool enabled)
-{
-#if ENABLE(STYLE_SCOPED)
-    RuntimeEnabledFeatures::sharedFeatures().setStyleScopedEnabled(enabled);
-#else
-    UNUSED_PARAM(enabled);
-#endif
-}
-
 void InternalSettings::setTouchEventEmulationEnabled(bool enabled, ExceptionCode& ec)
 {
 #if ENABLE(TOUCH_EVENTS)
diff --git a/Source/WebCore/testing/InternalSettings.h b/Source/WebCore/testing/InternalSettings.h
index 25eea585f8f539c9795398fd1420a142c902f0bd..a9b39ea31ab6d8b014f7caa7bc7873ebb6b3575b 100644
--- a/Source/WebCore/testing/InternalSettings.h
+++ b/Source/WebCore/testing/InternalSettings.h
@@ -58,9 +58,6 @@ public:
 #if ENABLE(SHADOW_DOM)
         bool m_originalShadowDOMEnabled;
         bool m_originalAuthorShadowDOMForAnyElementEnabled;
-#endif
-#if ENABLE(STYLE_SCOPED)
-        bool m_originalStyleScoped;
 #endif
         EditingBehaviorType m_originalEditingBehavior;
 
@@ -111,7 +108,6 @@ public:
     void setTouchEventEmulationEnabled(bool enabled, ExceptionCode&);
     void setShadowDOMEnabled(bool enabled, ExceptionCode&);
     void setAuthorShadowDOMForAnyElementEnabled(bool);
-    void setStyleScopedEnabled(bool);
     void setStandardFontFamily(const String& family, const String& script, ExceptionCode&);
     void setSerifFontFamily(const String& family, const String& script, ExceptionCode&);
     void setSansSerifFontFamily(const String& family, const String& script, ExceptionCode&);
diff --git a/Source/WebCore/testing/InternalSettings.idl b/Source/WebCore/testing/InternalSettings.idl
index 62e4d813d704fa2f1cdd733dbbc79701ecdd5a9b..4dd1d51db3154421d14f674c7bfc453c2f1b99c3 100644
--- a/Source/WebCore/testing/InternalSettings.idl
+++ b/Source/WebCore/testing/InternalSettings.idl
@@ -31,7 +31,6 @@
     [RaisesException] void setTouchEventEmulationEnabled(boolean enabled);
     [RaisesException] void setShadowDOMEnabled(boolean enabled);
     void setAuthorShadowDOMForAnyElementEnabled(boolean isEnabled);
-    void setStyleScopedEnabled(boolean isEnabled);
     [RaisesException] void setStandardFontFamily(DOMString family, DOMString script);
     [RaisesException] void setSerifFontFamily(DOMString family, DOMString script);
     [RaisesException] void setSansSerifFontFamily(DOMString family, DOMString script);
diff --git a/Source/WebCore/testing/Internals.cpp b/Source/WebCore/testing/Internals.cpp
index 895a263070aea50c2363749e56b107c0191527fd..9fccb162a84817631dcd4923e09ae37a01415072 100644
--- a/Source/WebCore/testing/Internals.cpp
+++ b/Source/WebCore/testing/Internals.cpp
@@ -504,19 +504,6 @@ String Internals::elementRenderTreeAsText(Element* element, ExceptionCode& ec)
     return representation;
 }
 
-size_t Internals::numberOfScopedHTMLStyleChildren(const Node* scope, ExceptionCode& ec) const
-{
-    if (scope && (scope->isElementNode() || scope->isShadowRoot()))
-#if ENABLE(STYLE_SCOPED)
-        return scope->numberOfScopedHTMLStyleChildren();
-#else
-        return 0;
-#endif
-
-    ec = INVALID_ACCESS_ERR;
-    return 0;
-}
-
 PassRefPtr<CSSComputedStyleDeclaration> Internals::computedStyleIncludingVisitedInfo(Node* node, ExceptionCode& ec) const
 {
     if (!node) {
diff --git a/Source/WebCore/testing/Internals.h b/Source/WebCore/testing/Internals.h
index 7c417bd3b006bdd908bda9c81bde5ecb8892665d..6a008fad3c76763b697b09edafbe87b6db48be01 100644
--- a/Source/WebCore/testing/Internals.h
+++ b/Source/WebCore/testing/Internals.h
@@ -78,7 +78,6 @@ public:
     bool isPreloaded(const String& url);
     bool isLoadingFromMemoryCache(const String& url);
 
-    size_t numberOfScopedHTMLStyleChildren(const Node*, ExceptionCode&) const;
     PassRefPtr<CSSComputedStyleDeclaration> computedStyleIncludingVisitedInfo(Node*, ExceptionCode&) const;
 
 #if ENABLE(SHADOW_DOM)
diff --git a/Source/WebCore/testing/Internals.idl b/Source/WebCore/testing/Internals.idl
index 6c89b2d7b8340b9318bc3431a0377e920194250c..8b44c3b728ebc3e574580144618bb325009f143a 100644
--- a/Source/WebCore/testing/Internals.idl
+++ b/Source/WebCore/testing/Internals.idl
@@ -33,7 +33,6 @@
     boolean isPreloaded(DOMString url);
     boolean isLoadingFromMemoryCache(DOMString url);
 
-    [RaisesException] unsigned long numberOfScopedHTMLStyleChildren(Node scope);
     [RaisesException] CSSStyleDeclaration computedStyleIncludingVisitedInfo(Node node);
 
 #if defined(ENABLE_SHADOW_DOM) && ENABLE_SHADOW_DOM
diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
index b9a88f0839f1321ae35ff29f4220fda5851617ef..75c30678cb851e4df559c6adf98c5d6376619ecf 100644
--- a/Source/WebKit/ChangeLog
+++ b/Source/WebKit/ChangeLog
@@ -1,3 +1,12 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in:
+
 2013-09-30  Alex Christensen  <achristensen@webkit.org>
 
         [Windows] Unreviewed build fix for Win64.
diff --git a/Source/WebKit/WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in b/Source/WebKit/WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in
index 6a851f685af7016ab7ca6f7da571e02af0e2b74e..4dbc3f84b99998d53983267c8ca53529bb5b2d03 100644
--- a/Source/WebKit/WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in
+++ b/Source/WebKit/WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in
@@ -252,9 +252,6 @@ EXPORTS
         ?number@String@WTF@@SA?AV12@H@Z
         ?number@String@WTF@@SA?AV12@I@Z
         ?number@String@WTF@@SA?AV12@NIW4TrailingZerosTruncatingPolicy@2@@Z
-#if ENABLE(STYLE_SCOPED)
-        symbolWithPointer(?numberOfScopedHTMLStyleChildren@Node@WebCore@@QBEIXZ, ?numberOfScopedHTMLStyleChildren@Node@WebCore@@QEBA_KXZ)
-#endif
         symbolWithPointer(?page@Document@WebCore@@QBEPAVPage@2@XZ, ?page@Document@WebCore@@QEBAPEAVPage@2@XZ)
         symbolWithPointer(?pageNumberForElement@PrintContext@WebCore@@SAHPAVElement@2@ABVFloatSize@2@@Z, ?pageNumberForElement@PrintContext@WebCore@@SAHPEAVElement@2@AEBVFloatSize@2@@Z)
         symbolWithPointer(?paintControlTints@FrameView@WebCore@@AAEXXZ, ?paintControlTints@FrameView@WebCore@@AEAAXXZ)
diff --git a/Source/WebKit/gtk/ChangeLog b/Source/WebKit/gtk/ChangeLog
index 8d036b507423884550d9523cff0c089efb070f9e..a3f81f62012d478f89865fcd00695166b90b09fd 100644
--- a/Source/WebKit/gtk/ChangeLog
+++ b/Source/WebKit/gtk/ChangeLog
@@ -1,3 +1,13 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * WebCoreSupport/DumpRenderTreeSupportGtk.cpp:
+        * WebCoreSupport/DumpRenderTreeSupportGtk.h:
+
 2013-09-28  Darin Adler  <darin@apple.com>
 
         Add Frame::mainFrame and Frame::isMainFrame
diff --git a/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.cpp b/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.cpp
index 036e61924f0f25b6bae0967375e2d91c582dabe9..9f89d9cb853cab52aff050b953eacb68774df5d5 100644
--- a/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.cpp
+++ b/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.cpp
@@ -606,13 +606,6 @@ void DumpRenderTreeSupportGtk::setShadowDOMEnabled(bool enabled)
 #endif
 }
 
-void DumpRenderTreeSupportGtk::setStyleScopedEnabled(bool enabled)
-{
-#if ENABLE(STYLE_SCOPED)
-    RuntimeEnabledFeatures::sharedFeatures().setStyleScopedEnabled(enabled);
-#endif
-}
-
 void DumpRenderTreeSupportGtk::deliverAllMutationsIfNecessary()
 {
     MutationObserver::deliverAllMutations();
diff --git a/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.h b/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.h
index 6c41cb40f3f1d13c058466710d501f09a7fe93eb..4fd6255b376f8c43be72fa82e39756bffc464ef9 100644
--- a/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.h
+++ b/Source/WebKit/gtk/WebCoreSupport/DumpRenderTreeSupportGtk.h
@@ -108,7 +108,6 @@ public:
     static void setExperimentalContentSecurityPolicyFeaturesEnabled(bool);
     static void setSeamlessIFramesEnabled(bool);
     static void setShadowDOMEnabled(bool);
-    static void setStyleScopedEnabled(bool);
 
     static void deliverAllMutationsIfNecessary();
     static void setDomainRelaxationForbiddenForURLScheme(bool forbidden, const char* urlScheme);
diff --git a/Source/WebKit/mac/ChangeLog b/Source/WebKit/mac/ChangeLog
index 481f15a700ecfdbf04a0c32376b43bb50ee77432..f79260459ee851a148eef149004aa694af5c7e12 100644
--- a/Source/WebKit/mac/ChangeLog
+++ b/Source/WebKit/mac/ChangeLog
@@ -1,3 +1,12 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * Configurations/FeatureDefines.xcconfig:
+
 2013-09-30  Mark Rowe  <mrowe@apple.com>
 
         Fix the build when building against an SDK.
diff --git a/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig b/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig
index e91b1f6b7ac7016c270ff025b8a4834200df58d9..aa321fe645b964a453180f9771a2dad9c6d9dc45 100644
--- a/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig
+++ b/Source/WebKit/mac/Configurations/FeatureDefines.xcconfig
@@ -165,7 +165,6 @@ ENABLE_SHARED_WORKERS = ENABLE_SHARED_WORKERS;
 ENABLE_SPEECH_SYNTHESIS = $(ENABLE_SPEECH_SYNTHESIS_$(PLATFORM_NAME));
 ENABLE_SPEECH_SYNTHESIS_macosx = ENABLE_SPEECH_SYNTHESIS;
 ENABLE_SQL_DATABASE = ENABLE_SQL_DATABASE;
-ENABLE_STYLE_SCOPED = ;
 ENABLE_SUBPIXEL_LAYOUT = ;
 ENABLE_SVG = ENABLE_SVG;
 ENABLE_SVG_FONTS = ENABLE_SVG_FONTS;
@@ -188,4 +187,4 @@ ENABLE_XSLT = ENABLE_XSLT;
 
 ENABLE_FTL_JIT = ;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_STYLE_SCOPED) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
diff --git a/Source/WebKit2/ChangeLog b/Source/WebKit2/ChangeLog
index 03175ced841109cd1e7b084f4f9c3c7b25c043af..e8f76bf6720b16bbabb5fb6e63cb1ceea7e46868 100644
--- a/Source/WebKit2/ChangeLog
+++ b/Source/WebKit2/ChangeLog
@@ -1,3 +1,12 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * Configurations/FeatureDefines.xcconfig:
+
 2013-09-30  Csaba Osztrogonác  <ossy@webkit.org>
 
         NetworkResourceLoader.messages.in should be ENABLE(NETWORK_PROCESS) guarded
diff --git a/Source/WebKit2/Configurations/FeatureDefines.xcconfig b/Source/WebKit2/Configurations/FeatureDefines.xcconfig
index e91b1f6b7ac7016c270ff025b8a4834200df58d9..aa321fe645b964a453180f9771a2dad9c6d9dc45 100644
--- a/Source/WebKit2/Configurations/FeatureDefines.xcconfig
+++ b/Source/WebKit2/Configurations/FeatureDefines.xcconfig
@@ -165,7 +165,6 @@ ENABLE_SHARED_WORKERS = ENABLE_SHARED_WORKERS;
 ENABLE_SPEECH_SYNTHESIS = $(ENABLE_SPEECH_SYNTHESIS_$(PLATFORM_NAME));
 ENABLE_SPEECH_SYNTHESIS_macosx = ENABLE_SPEECH_SYNTHESIS;
 ENABLE_SQL_DATABASE = ENABLE_SQL_DATABASE;
-ENABLE_STYLE_SCOPED = ;
 ENABLE_SUBPIXEL_LAYOUT = ;
 ENABLE_SVG = ENABLE_SVG;
 ENABLE_SVG_FONTS = ENABLE_SVG_FONTS;
@@ -188,4 +187,4 @@ ENABLE_XSLT = ENABLE_XSLT;
 
 ENABLE_FTL_JIT = ;
 
-FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_STYLE_SCOPED) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
+FEATURE_DEFINES = $(ENABLE_3D_RENDERING) $(ENABLE_ACCELERATED_2D_CANVAS) $(ENABLE_BLOB) $(ENABLE_CACHE_PARTITIONING) $(ENABLE_CANVAS_PATH) $(ENABLE_CANVAS_PROXY) $(ENABLE_CHANNEL_MESSAGING) $(ENABLE_CSP_NEXT) $(ENABLE_CSS_BOX_DECORATION_BREAK) $(ENABLE_CSS_COMPOSITING) $(ENABLE_CSS_DEVICE_ADAPTATION) $(ENABLE_CSS_EXCLUSIONS) $(ENABLE_CSS_FILTERS) $(ENABLE_CSS_IMAGE_ORIENTATION) $(ENABLE_CSS_IMAGE_RESOLUTION) $(ENABLE_CSS_REGIONS) $(ENABLE_CSS_SHADERS) $(ENABLE_CSS_SHAPES) $(ENABLE_CSS_STICKY_POSITION) $(ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED) $(ENABLE_CSS_VARIABLES) $(ENABLE_CSS3_CONDITIONAL_RULES) $(ENABLE_CSS3_TEXT) $(ENABLE_CSS3_TEXT_LINE_BREAK) $(ENABLE_CURSOR_VISIBILITY) $(ENABLE_CUSTOM_SCHEME_HANDLER) $(ENABLE_DASHBOARD_SUPPORT) $(ENABLE_DATALIST_ELEMENT) $(ENABLE_DATA_TRANSFER_ITEMS) $(ENABLE_DETAILS_ELEMENT) $(ENABLE_DEVICE_ORIENTATION) $(ENABLE_DIRECTORY_UPLOAD) $(ENABLE_DOM4_EVENTS_CONSTRUCTOR) $(ENABLE_DRAGGABLE_REGION) $(ENABLE_ENCRYPTED_MEDIA) $(ENABLE_ENCRYPTED_MEDIA_V2) $(ENABLE_FILE_SYSTEM) $(ENABLE_FILTERS) $(ENABLE_FONT_LOAD_EVENTS) $(ENABLE_FULLSCREEN_API) $(ENABLE_GAMEPAD) $(ENABLE_GEOLOCATION) $(ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING) $(ENABLE_HIGH_DPI_CANVAS) $(ENABLE_ICONDATABASE) $(ENABLE_IFRAME_SEAMLESS) $(ENABLE_INDEXED_DATABASE) $(ENABLE_INDIE_UI) $(ENABLE_INPUT_SPEECH) $(ENABLE_INPUT_TYPE_COLOR) $(ENABLE_INPUT_TYPE_COLOR_POPOVER) $(ENABLE_INPUT_TYPE_DATE) $(ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE) $(ENABLE_INPUT_TYPE_DATETIMELOCAL) $(ENABLE_INPUT_TYPE_MONTH) $(ENABLE_INPUT_TYPE_TIME) $(ENABLE_INPUT_TYPE_WEEK) $(ENABLE_JAVASCRIPT_DEBUGGER) $(ENABLE_LEGACY_CSS_VENDOR_PREFIXES) $(ENABLE_LEGACY_NOTIFICATIONS) $(ENABLE_LEGACY_VENDOR_PREFIXES) $(ENABLE_LEGACY_WEB_AUDIO) $(ENABLE_LINK_PREFETCH) $(ENABLE_MATHML) $(ENABLE_MEDIA_CONTROLS_SCRIPT) $(ENABLE_MEDIA_SOURCE) $(ENABLE_MEDIA_STATISTICS) $(ENABLE_METER_ELEMENT) $(ENABLE_MHTML) $(ENABLE_MOUSE_CURSOR_SCALE) $(ENABLE_NAVIGATOR_CONTENT_UTILS) $(ENABLE_NOTIFICATIONS) $(ENABLE_PAGE_VISIBILITY_API) $(ENABLE_PDFKIT_PLUGIN) $(ENABLE_PLUGIN_PROXY_FOR_VIDEO) $(ENABLE_PROGRESS_ELEMENT) $(ENABLE_PROMISES) $(ENABLE_PROXIMITY_EVENTS) $(ENABLE_PUBLIC_SUFFIX_LIST) $(ENABLE_QUOTA) $(ENABLE_REQUEST_ANIMATION_FRAME) $(ENABLE_RESOLUTION_MEDIA_QUERY) $(ENABLE_SCRIPTED_SPEECH) $(ENABLE_SHADOW_DOM) $(ENABLE_SHARED_WORKERS) $(ENABLE_SPEECH_SYNTHESIS) $(ENABLE_SQL_DATABASE) $(ENABLE_SUBPIXEL_LAYOUT) $(ENABLE_SVG) $(ENABLE_SVG_FONTS) $(ENABLE_TEMPLATE_ELEMENT) $(ENABLE_TEXT_AUTOSIZING) $(ENABLE_THREADED_HTML_PARSER) $(ENABLE_TOUCH_ICON_LOADING) $(ENABLE_USERSELECT_ALL) $(ENABLE_VIDEO) $(ENABLE_VIDEO_TRACK) $(ENABLE_VIEW_MODE_CSS_MEDIA) $(ENABLE_WEBGL) $(ENABLE_WEB_AUDIO) $(ENABLE_WEB_SOCKETS) $(ENABLE_WEB_TIMING) $(ENABLE_WORKERS) $(ENABLE_XHR_TIMEOUT) $(ENABLE_XSLT) $(ENABLE_FTL_JIT) $(FEATURE_DEFINES_$(PLATFORM_NAME));
diff --git a/Source/autotools/SetupWebKitFeatures.m4 b/Source/autotools/SetupWebKitFeatures.m4
index 08c8ae8fbc5017052e4bda6e40ed60dbba8e6180..d4e9ee631121dd7f473d04595077509fc2ed5856 100644
--- a/Source/autotools/SetupWebKitFeatures.m4
+++ b/Source/autotools/SetupWebKitFeatures.m4
@@ -173,7 +173,6 @@ $srcdir/Tools/gtk/generate-feature-defines-files $CONFIGURABLE_FEATURE_DEFINES \
     ENABLE_SMOOTH_SCROLLING=1 \
     ENABLE_SQL_DATABASE=1 \
     ENABLE_SUBPIXEL_LAYOUT=1 \
-    ENABLE_STYLE_SCOPED=0 \
     ENABLE_TEMPLATE_ELEMENT=0 \
     ENABLE_TEXT_AUTOSIZING=0 \
     ENABLE_THREADED_HTML_PARSER=0 \
diff --git a/Source/cmake/OptionsBlackBerry.cmake b/Source/cmake/OptionsBlackBerry.cmake
index 93f0b967c9feb8c22c78b7956e7cb3df03baa3c1..4b4b9e31c4b380406976871beea14d4de983bbef 100644
--- a/Source/cmake/OptionsBlackBerry.cmake
+++ b/Source/cmake/OptionsBlackBerry.cmake
@@ -184,7 +184,6 @@ WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_REPAINT_THROTTLING ON)
 WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_REQUEST_ANIMATION_FRAME ON)
 WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_SHARED_WORKERS ON)
 WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_SMOOTH_SCROLLING ON)
-WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_STYLE_SCOPED ON)
 WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_TEXT_AUTOSIZING ON)
 WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_TOUCH_EVENTS ON)
 WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_TOUCH_SLIDER ON)
diff --git a/Source/cmake/WebKitFeatures.cmake b/Source/cmake/WebKitFeatures.cmake
index c7934850f6f03dee77d1e59feb567f3596e0e8c5..9b5fce4f582d94f2266527d3b871567e02ae3274 100644
--- a/Source/cmake/WebKitFeatures.cmake
+++ b/Source/cmake/WebKitFeatures.cmake
@@ -111,7 +111,6 @@ macro(WEBKIT_OPTION_BEGIN)
     WEBKIT_OPTION_DEFINE(ENABLE_SHARED_WORKERS "Toggle SharedWorkers support" OFF)
     WEBKIT_OPTION_DEFINE(ENABLE_SPELLCHECK "Toggle Spellchecking support (requires Enchant)" OFF)
     WEBKIT_OPTION_DEFINE(ENABLE_SQL_DATABASE "Toggle SQL Database Support" ON)
-    WEBKIT_OPTION_DEFINE(ENABLE_STYLE_SCOPED "Toggle <style scoped> support" OFF)
     WEBKIT_OPTION_DEFINE(ENABLE_SVG "Toggle SVG support" ON)
     WEBKIT_OPTION_DEFINE(ENABLE_SVG_FONTS "Toggle SVG fonts support (imples SVG support)" ON)
     WEBKIT_OPTION_DEFINE(ENABLE_TEMPLATE_ELEMENT "Toggle Template support" OFF)
diff --git a/Source/cmakeconfig.h.cmake b/Source/cmakeconfig.h.cmake
index da2045fe526c4848ca612a99fa52d422b2367b8b..c2b47ae70464e0172850c5e97f3426224ac6a4ee 100644
--- a/Source/cmakeconfig.h.cmake
+++ b/Source/cmakeconfig.h.cmake
@@ -102,7 +102,6 @@
 #cmakedefine01 ENABLE_SMOOTH_SCROLLING
 #cmakedefine01 ENABLE_SPELLCHECK
 #cmakedefine01 ENABLE_SQL_DATABASE
-#cmakedefine01 ENABLE_STYLE_SCOPED
 #cmakedefine01 ENABLE_SVG
 #cmakedefine01 ENABLE_SVG_FONTS
 #cmakedefine01 ENABLE_TEMPLATE_ELEMENT
diff --git a/Tools/ChangeLog b/Tools/ChangeLog
index 92e78f185a942ab20c716d604fb48ed6914f7009..cabfb6bbf7a5bd469860edd2afcb8944a9c17088 100644
--- a/Tools/ChangeLog
+++ b/Tools/ChangeLog
@@ -1,3 +1,15 @@
+2013-09-30  Benjamin Poulain  <benjamin@webkit.org>
+
+        Remove the code guarded by STYLE_SCOPED
+        https://bugs.webkit.org/show_bug.cgi?id=122123
+
+        Reviewed by Anders Carlsson.
+
+        * DumpRenderTree/gtk/DumpRenderTree.cpp:
+        (resetDefaultsToConsistentValues):
+        * Scripts/webkitperl/FeatureList.pm:
+        * qmake/mkspecs/features/features.pri:
+
 2013-09-30  Mark Rowe  <mrowe@apple.com>
 
         Fix the build when building against an SDK.
diff --git a/Tools/DumpRenderTree/gtk/DumpRenderTree.cpp b/Tools/DumpRenderTree/gtk/DumpRenderTree.cpp
index 7d97646f02629b3f5c58f8834678c0b0de1fd269..4c2542eccf846d4d22507e1e0a72613bcbb03a7c 100644
--- a/Tools/DumpRenderTree/gtk/DumpRenderTree.cpp
+++ b/Tools/DumpRenderTree/gtk/DumpRenderTree.cpp
@@ -542,7 +542,6 @@ static void resetDefaultsToConsistentValues()
     DumpRenderTreeSupportGtk::setExperimentalContentSecurityPolicyFeaturesEnabled(true);
     DumpRenderTreeSupportGtk::setSeamlessIFramesEnabled(true);
     DumpRenderTreeSupportGtk::setShadowDOMEnabled(true);
-    DumpRenderTreeSupportGtk::setStyleScopedEnabled(true);
 
     if (gTestRunner) {
         gTestRunner->setAuthenticationPassword("");
diff --git a/Tools/Scripts/webkitperl/FeatureList.pm b/Tools/Scripts/webkitperl/FeatureList.pm
index 0a876aa53a6adc9092a653f733e0853fd72a5bec..781de70f0ab9ad28503388cb70a40aa8611bb17b 100644
--- a/Tools/Scripts/webkitperl/FeatureList.pm
+++ b/Tools/Scripts/webkitperl/FeatureList.pm
@@ -416,9 +416,6 @@ my @features = (
     { option => "sql-database", desc => "Toggle SQL Database support",
       define => "ENABLE_SQL_DATABASE", default => 1, value => \$sqlDatabaseSupport },
 
-    { option => "style-scoped", desc => "Toggle Style Scoped support",
-      define => "ENABLE_STYLE_SCOPED", default => (isBlackBerry() || isGtk()), value => \$styleScopedSupport },
-
     { option => "suid-linux-sandbox", desc => "Toggle suid sandbox for linux",
       define => "ENABLE_SUID_SANDBOX_LINUX", default => 0, value => \$suidLinuxSandbox },
 
diff --git a/Tools/qmake/mkspecs/features/features.pri b/Tools/qmake/mkspecs/features/features.pri
index cba5b4bf84a4bfb0fc66187fef4fc813e8337097..fb6ec5c7dec16a94b85cad41d25e6d54fc7d901c 100644
--- a/Tools/qmake/mkspecs/features/features.pri
+++ b/Tools/qmake/mkspecs/features/features.pri
@@ -110,7 +110,6 @@ FEATURE_DEFAULTS = \
     ENABLE_SHARED_WORKERS=1 \
     ENABLE_SMOOTH_SCROLLING=1 \
     ENABLE_SQL_DATABASE=1 \
-    ENABLE_STYLE_SCOPED=0 \
     ENABLE_SUBPIXEL_LAYOUT=1 \
     ENABLE_SVG=1 \
     ENABLE_SVG_FONTS=1 \