REGRESSION (r47630): fast/repaint/background-generated.html is failing

https://bugs.webkit.org/show_bug.cgi?id=28704

Reviewed by Anders Carlsson.

* rendering/RenderBoxModelObject.cpp:
(WebCore::RenderBoxModelObject::calculateFillTileSize): Handle SizeNone.
* rendering/style/FillLayer.cpp:
(WebCore::FillLayer::FillLayer): Initialize the size type to SizeNone.
* rendering/style/FillLayer.h:
(WebCore::FillSize::FillSize): Changed assignment to initialization and
    removed redundant assignment to size.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@47749 268f45cc-cd09-0410-ab3c-d52691b4dbfc

WebCore/ChangeLog

+2009-08-25  Dan Bernstein  <mitz@apple.com>
+
+        Reviewed by Anders Carlsson.
+
+        REGRESSION (r47630): fast/repaint/background-generated.html is failing
+        https://bugs.webkit.org/show_bug.cgi?id=28704
+
+        * rendering/RenderBoxModelObject.cpp:
+        (WebCore::RenderBoxModelObject::calculateFillTileSize): Handle SizeNone.
+        * rendering/style/FillLayer.cpp:
+        (WebCore::FillLayer::FillLayer): Initialize the size type to SizeNone.
+        * rendering/style/FillLayer.h:
+        (WebCore::FillSize::FillSize): Changed assignment to initialization and
+            removed redundant assignment to size.
+
 2009-08-25  Yusuke Sato  <yusukes@chromium.org>
 
         Reviewed by Darin Fisher.

WebCore/rendering/RenderBoxModelObject.cpp

@@ -542,7 +542,6 @@ IntSize RenderBoxModelObject::calculateFillTileSize(const FillLayer* fillLayer,
             return IntSize(max<int>(1, imageIntrinsicSize.width() * scaleFactor), max<int>(1, imageIntrinsicSize.height() * scaleFactor));
         }
         case SizeNone:
-            ASSERT_NOT_REACHED();
             break;
     }
     return image->imageSize(this, style()->effectiveZoom());

WebCore/rendering/style/FillLayer.cpp

@@ -33,7 +33,7 @@ FillLayer::FillLayer(EFillLayerType type)
     , m_origin(FillLayer::initialFillOrigin(type))
     , m_repeat(FillLayer::initialFillRepeat(type))
     , m_composite(FillLayer::initialFillComposite(type))
-    , m_sizeType(FillLayer::initialFillSizeType(type))
+    , m_sizeType(SizeNone)
     , m_sizeLength(FillLayer::initialFillSizeLength(type))
     , m_imageSet(false)
     , m_attachmentSet(false)

WebCore/rendering/style/FillLayer.h

@@ -36,11 +36,10 @@ namespace WebCore {
 
 struct FillSize {
     FillSize()
+        : type(SizeLength)
     {
-        type = SizeLength;
-        size = LengthSize();
     }
-    
+
     FillSize(EFillSizeType t, LengthSize l)
         : type(t)
         , size(l)