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  • alokp@chromium.org's avatar
    Mark GraphicsLayers as opaque when possible · 1f006a4f
    alokp@chromium.org authored
    https://bugs.webkit.org/show_bug.cgi?id=70634
    
    Reviewed by Simon Fraser.
    
    Source/WebCore:
    
    Mark layers as opaque in a very simple case - any child renderer has an opaque background and covers the entire composited bounds. It is important to note that since we only consider the background, the only layer that can be marked opaque is the primary GraphicsLayer of a RenderLayer.
    
    Tests: compositing/contents-opaque/background-clip.html
           compositing/contents-opaque/background-color.html
           compositing/contents-opaque/body-background-painted.html
           compositing/contents-opaque/body-background-skipped.html
           compositing/contents-opaque/layer-opacity.html
           compositing/contents-opaque/layer-transform.html
    
    * rendering/RenderBox.cpp:
    (WebCore::skipBodyBackground):
    (WebCore):
    (WebCore::RenderBox::paintBackground):
    (WebCore::RenderBox::backgroundIsKnownToBeOpaqueInRect):
    * rendering/RenderBox.h:
    (RenderBox):
    * rendering/RenderLayer.cpp:
    (WebCore::RenderLayer::backgroundIsKnownToBeOpaqueInRect):
    (WebCore):
    (WebCore::RenderLayer::listBackgroundIsKnownToBeOpaqueInRect):
    * rendering/RenderLayer.h:
    (RenderLayer):
    * rendering/RenderLayerBacking.cpp:
    (WebCore::RenderLayerBacking::updateGraphicsLayerGeometry):
    * rendering/RenderLayerModelObject.h:
    (RenderLayerModelObject):
    (WebCore::RenderLayerModelObject::backgroundIsKnownToBeOpaqueInRect):
    
    LayoutTests:
    
    * compositing/absolute-inside-out-of-view-fixed-expected.txt:
    * compositing/backing/no-backing-for-clip-expected.txt:
    * compositing/backing/no-backing-for-clip-overlap-expected.txt:
    * compositing/backing/no-backing-for-perspective-expected.txt:
    * compositing/clip-child-by-non-stacking-ancestor-expected.txt:
    * compositing/columns/composited-in-paginated-expected.txt:
    * compositing/contents-opaque/background-clip-expected.txt: Copied from LayoutTests/platform/chromium/compositing/geometry/limit-layer-bounds-positioned-transition-expected.txt.
    * compositing/contents-opaque/background-clip.html: Added.
    * compositing/contents-opaque/background-color-expected.txt: Copied from LayoutTests/compositing/geometry/limit-layer-bounds-positioned-expected.txt.
    * compositing/contents-opaque/background-color.html: Added.
    * compositing/contents-opaque/body-background-painted-expected.txt: Copied from LayoutTests/platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-out-of-view-expected.txt.
    * compositing/contents-opaque/body-background-painted.html: Added.
    * compositing/contents-opaque/body-background-skipped-expected.txt: Copied from LayoutTests/platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-out-of-view-expected.txt.
    * compositing/contents-opaque/body-background-skipped.html: Added.
    * compositing/contents-opaque/layer-opacity-expected.txt: Copied from LayoutTests/compositing/clip-child-by-non-stacking-ancestor-expected.txt.
    * compositing/contents-opaque/layer-opacity.html: Added.
    * compositing/contents-opaque/layer-transform-expected.txt: Copied from LayoutTests/compositing/clip-child-by-non-stacking-ancestor-expected.txt.
    * compositing/contents-opaque/layer-transform.html: Added.
    * compositing/filters/sw-layer-overlaps-hw-shadow-expected.txt:
    * compositing/filters/sw-shadow-overlaps-hw-layer-expected.txt:
    * compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * compositing/geometry/bounds-ignores-hidden-dynamic-expected.txt:
    * compositing/geometry/bounds-ignores-hidden-dynamic-negzindex-expected.txt:
    * compositing/geometry/bounds-ignores-hidden-expected.txt:
    * compositing/geometry/clip-expected.txt:
    * compositing/geometry/clip-inside-expected.txt:
    * compositing/geometry/fixed-position-composited-switch-expected.txt:
    * compositing/geometry/flipped-writing-mode-expected.txt:
    * compositing/geometry/layer-due-to-layer-children-deep-switch-expected.txt:
    * compositing/geometry/layer-due-to-layer-children-switch-expected.txt:
    * compositing/geometry/limit-layer-bounds-clipping-ancestor-expected.txt:
    * compositing/geometry/limit-layer-bounds-fixed-expected.txt:
    * compositing/geometry/limit-layer-bounds-fixed-positioned-expected.txt:
    * compositing/geometry/limit-layer-bounds-overflow-root-expected.txt:
    * compositing/geometry/limit-layer-bounds-positioned-expected.txt:
    * compositing/geometry/limit-layer-bounds-positioned-transition-expected.txt:
    * compositing/geometry/limit-layer-bounds-transformed-expected.txt:
    * compositing/geometry/limit-layer-bounds-transformed-overflow-expected.txt:
    * compositing/geometry/preserve-3d-switching-expected.txt:
    * compositing/iframes/become-composited-nested-iframes-expected.txt:
    * compositing/iframes/become-overlapped-iframe-expected.txt:
    * compositing/iframes/composited-parent-iframe-expected.txt:
    * compositing/iframes/connect-compositing-iframe-delayed-expected.txt:
    * compositing/iframes/connect-compositing-iframe-expected.txt:
    * compositing/iframes/connect-compositing-iframe2-expected.txt:
    * compositing/iframes/connect-compositing-iframe3-expected.txt:
    * compositing/iframes/enter-compositing-iframe-expected.txt:
    * compositing/iframes/iframe-resize-expected.txt:
    * compositing/iframes/invisible-nested-iframe-hide-expected.txt:
    * compositing/iframes/invisible-nested-iframe-show-expected.txt:
    * compositing/iframes/overlapped-iframe-expected.txt:
    * compositing/iframes/overlapped-iframe-iframe-expected.txt:
    * compositing/iframes/overlapped-nested-iframes-expected.txt:
    * compositing/iframes/page-cache-layer-tree-expected.txt:
    * compositing/iframes/scrolling-iframe-expected.txt:
    * compositing/layer-creation/animation-overlap-with-children-expected.txt:
    * compositing/layer-creation/fixed-position-and-transform-expected.txt:
    * compositing/layer-creation/fixed-position-change-out-of-view-in-view-expected.txt:
    * compositing/layer-creation/fixed-position-out-of-view-expected.txt:
    * compositing/layer-creation/fixed-position-out-of-view-scaled-expected.txt:
    * compositing/layer-creation/fixed-position-out-of-view-scaled-scroll-expected.txt:
    * compositing/layer-creation/fixed-position-under-transform-expected.txt:
    * compositing/layer-creation/no-compositing-for-preserve-3d-expected.txt:
    * compositing/layer-creation/overflow-scroll-overlap-expected.txt:
    * compositing/layer-creation/overlap-animation-clipping-expected.txt:
    * compositing/layer-creation/overlap-animation-expected.txt:
    * compositing/layer-creation/overlap-child-layer-expected.txt:
    * compositing/layer-creation/overlap-clipping-expected.txt:
    * compositing/layer-creation/overlap-transformed-3d-expected.txt:
    * compositing/layer-creation/overlap-transformed-and-clipped-expected.txt:
    * compositing/layer-creation/overlap-transformed-layer-expected.txt:
    * compositing/layer-creation/overlap-transformed-preserved-3d-expected.txt:
    * compositing/layer-creation/overlap-transforms-expected.txt:
    * compositing/layer-creation/spanOverlapsCanvas-expected.txt:
    * compositing/layer-creation/stacking-context-overlap-expected.txt:
    * compositing/layer-creation/translatez-overlap-expected.txt:
    * compositing/masks/mask-layer-size-expected.txt:
    * compositing/overflow-trumps-transform-style-expected.txt:
    * compositing/overflow/clip-descendents-expected.txt:
    * compositing/overflow/composited-scrolling-creates-a-stacking-container-expected.txt:
    * compositing/overflow/textarea-scroll-touch-expected.txt:
    * compositing/plugins/no-backing-store-expected.txt:
    * compositing/repaint/invalidations-on-composited-layers-expected.txt:
    * compositing/rtl/rtl-absolute-expected.txt:
    * compositing/rtl/rtl-absolute-overflow-expected.txt:
    * compositing/rtl/rtl-absolute-overflow-scrolled-expected.txt:
    * compositing/rtl/rtl-fixed-expected.txt:
    * compositing/rtl/rtl-fixed-overflow-expected.txt:
    * compositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * compositing/rtl/rtl-iframe-absolute-expected.txt:
    * compositing/rtl/rtl-iframe-fixed-expected.txt:
    * compositing/rtl/rtl-iframe-relative-expected.txt:
    * compositing/rtl/rtl-relative-expected.txt:
    * compositing/tiled-layers-hidpi-expected.txt:
    * compositing/tiling/backface-preserve-3d-tiled-expected.txt:
    * compositing/tiling/crash-reparent-tiled-layer-expected.txt:
    * compositing/tiling/huge-layer-add-remove-child-expected.txt:
    * compositing/tiling/huge-layer-with-layer-children-expected.txt:
    * compositing/tiling/huge-layer-with-layer-children-resize-expected.txt:
    * compositing/tiling/rotated-tiled-clamped-expected.txt:
    * compositing/tiling/rotated-tiled-preserve3d-clamped-expected.txt:
    * compositing/tiling/tile-cache-zoomed-expected.txt:
    * compositing/tiling/tiled-layer-resize-expected.txt:
    * compositing/visible-rect/2d-transformed-expected.txt:
    * compositing/visible-rect/3d-transform-style-expected.txt:
    * compositing/visible-rect/3d-transformed-expected.txt:
    * compositing/visible-rect/animated-expected.txt:
    * compositing/visible-rect/animated-from-none-expected.txt:
    * compositing/visible-rect/clipped-by-viewport-expected.txt:
    * compositing/visible-rect/clipped-visible-rect-expected.txt:
    * compositing/visible-rect/iframe-and-layers-expected.txt:
    * compositing/visible-rect/iframe-no-layers-expected.txt:
    * compositing/visible-rect/nested-transform-expected.txt:
    * compositing/visible-rect/scrolled-expected.txt:
    * css3/filters/filtered-compositing-descendant-expected.txt:
    * platform/chromium-linux-x86/compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * platform/chromium-linux-x86/compositing/geometry/bounds-ignores-hidden-dynamic-negzindex-expected.txt:
    * platform/chromium-linux-x86/platform/chromium/virtual/softwarecompositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/chromium-linux-x86/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-absolute-expected.txt:
    * platform/chromium-linux-x86/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-fixed-expected.txt:
    * platform/chromium-linux-x86/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-relative-expected.txt:
    * platform/chromium-linux/compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * platform/chromium-linux/compositing/geometry/bounds-ignores-hidden-dynamic-negzindex-expected.txt:
    * platform/chromium-linux/compositing/iframes/become-overlapped-iframe-expected.txt:
    * platform/chromium-linux/compositing/iframes/composited-parent-iframe-expected.txt:
    * platform/chromium-linux/compositing/iframes/connect-compositing-iframe-delayed-expected.txt:
    * platform/chromium-linux/compositing/iframes/connect-compositing-iframe-expected.txt:
    * platform/chromium-linux/compositing/iframes/connect-compositing-iframe2-expected.txt:
    * platform/chromium-linux/compositing/iframes/connect-compositing-iframe3-expected.txt:
    * platform/chromium-linux/compositing/iframes/enter-compositing-iframe-expected.txt:
    * platform/chromium-linux/compositing/iframes/iframe-resize-expected.txt:
    * platform/chromium-linux/compositing/iframes/iframe-size-from-zero-expected.txt:
    * platform/chromium-linux/compositing/iframes/invisible-nested-iframe-show-expected.txt:
    * platform/chromium-linux/compositing/iframes/overlapped-iframe-expected.txt:
    * platform/chromium-linux/compositing/iframes/resizer-expected.txt:
    * platform/chromium-linux/compositing/overflow/textarea-scroll-touch-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/become-overlapped-iframe-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/composited-parent-iframe-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/connect-compositing-iframe-delayed-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/connect-compositing-iframe-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/connect-compositing-iframe2-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/connect-compositing-iframe3-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/enter-compositing-iframe-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/iframe-resize-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/iframe-size-from-zero-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/invisible-nested-iframe-show-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/overlapped-iframe-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/resizer-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/iframes/scrolling-iframe-expected.txt: Removed.
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/overflow/textarea-scroll-touch-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-absolute-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-fixed-expected.txt:
    * platform/chromium-linux/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-relative-expected.txt:
    * platform/chromium-mac-lion/platform/chromium/virtual/softwarecompositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/chromium-mac-lion/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-absolute-expected.txt:
    * platform/chromium-mac-lion/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-fixed-expected.txt:
    * platform/chromium-mac-lion/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-relative-expected.txt:
    * platform/chromium-mac-snowleopard/platform/chromium/virtual/softwarecompositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/chromium-mac-snowleopard/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-absolute-expected.txt:
    * platform/chromium-mac-snowleopard/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-fixed-expected.txt:
    * platform/chromium-mac-snowleopard/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-relative-expected.txt:
    * platform/chromium-mac/compositing/iframes/invisible-nested-iframe-show-expected.txt:
    * platform/chromium-mac/compositing/overflow/textarea-scroll-touch-expected.txt:
    * platform/chromium-mac/compositing/repaint/invalidations-on-composited-layers-expected.txt:
    * platform/chromium-mac/compositing/tiling/crash-reparent-tiled-layer-expected.txt:
    * platform/chromium-mac/compositing/tiling/huge-layer-add-remove-child-expected.txt:
    * platform/chromium-mac/compositing/tiling/huge-layer-with-layer-children-expected.txt:
    * platform/chromium-mac/compositing/tiling/huge-layer-with-layer-children-resize-expected.txt:
    * platform/chromium-mac/platform/chromium/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch-expected.txt:
    * platform/chromium-mac/platform/chromium/virtual/softwarecompositing/overflow/textarea-scroll-touch-expected.txt:
    * platform/chromium-mac/platform/chromium/virtual/softwarecompositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/chromium-mac/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-absolute-expected.txt:
    * platform/chromium-mac/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-fixed-expected.txt:
    * platform/chromium-mac/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-relative-expected.txt:
    * platform/chromium-win-xp/compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * platform/chromium-win-xp/compositing/geometry/bounds-ignores-hidden-dynamic-negzindex-expected.txt:
    * platform/chromium-win-xp/platform/chromium/virtual/softwarecompositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/chromium-win-xp/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-absolute-expected.txt:
    * platform/chromium-win-xp/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-fixed-expected.txt:
    * platform/chromium-win-xp/platform/chromium/virtual/softwarecompositing/rtl/rtl-iframe-relative-expected.txt:
    * platform/chromium-win/compositing/backing/no-backing-for-clip-expected.txt:
    * platform/chromium-win/compositing/backing/no-backing-for-clip-overlap-expected.txt:
    * platform/chromium-win/compositing/backing/no-backing-for-perspective-expected.txt:
    * platform/chromium-win/compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * platform/chromium-win/compositing/geometry/bounds-ignores-hidden-dynamic-negzindex-expected.txt:
    * platform/chromium-win/compositing/geometry/layer-due-to-layer-children-deep-switch-expected.txt:
    * platform/chromium-win/compositing/geometry/layer-due-to-layer-children-switch-expected.txt:
    * platform/chromium-win/compositing/geometry/limit-layer-bounds-overflow-root-expected.txt:
    * platform/chromium-win/compositing/geometry/preserve-3d-switching-expected.txt:
    * platform/chromium-win/compositing/iframes/invisible-nested-iframe-show-expected.txt:
    * platform/chromium-win/compositing/layer-creation/no-compositing-for-preserve-3d-expected.txt:
    * platform/chromium-win/compositing/tiling/crash-reparent-tiled-layer-expected.txt:
    * platform/chromium-win/compositing/tiling/huge-layer-add-remove-child-expected.txt:
    * platform/chromium-win/compositing/tiling/huge-layer-with-layer-children-expected.txt:
    * platform/chromium-win/compositing/tiling/huge-layer-with-layer-children-resize-expected.txt:
    * platform/chromium/TestExpectations:
    * platform/chromium/compositing/backing/no-backing-for-clip-expected.txt:
    * platform/chromium/compositing/backing/no-backing-for-clip-overlap-expected.txt:
    * platform/chromium/compositing/backing/no-backing-for-perspective-expected.txt:
    * platform/chromium/compositing/columns/composited-in-paginated-expected.txt:
    * platform/chromium/compositing/contents-opaque/background-color-expected.txt: Copied from LayoutTests/platform/chromium/compositing/geometry/limit-layer-bounds-positioned-transition-expected.txt.
    * platform/chromium/compositing/contents-opaque/body-background-painted-expected.txt: Copied from LayoutTests/platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-out-of-view-expected.txt.
    * platform/chromium/compositing/contents-opaque/body-background-skipped-expected.txt: Copied from LayoutTests/platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-out-of-view-expected.txt.
    * platform/chromium/compositing/contents-opaque/layer-opacity-expected.txt: Copied from LayoutTests/compositing/clip-child-by-non-stacking-ancestor-expected.txt.
    * platform/chromium/compositing/contents-opaque/layer-transform-expected.txt: Copied from LayoutTests/compositing/clip-child-by-non-stacking-ancestor-expected.txt.
    * platform/chromium/compositing/filters/sw-layer-overlaps-hw-shadow-expected.txt:
    * platform/chromium/compositing/filters/sw-shadow-overlaps-hw-layer-expected.txt:
    * platform/chromium/compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * platform/chromium/compositing/geometry/bounds-ignores-hidden-dynamic-negzindex-expected.txt:
    * platform/chromium/compositing/geometry/clip-expected.txt:
    * platform/chromium/compositing/geometry/clip-inside-expected.txt:
    * platform/chromium/compositing/geometry/fixed-position-composited-switch-expected.txt:
    * platform/chromium/compositing/geometry/flipped-writing-mode-expected.txt:
    * platform/chromium/compositing/geometry/layer-due-to-layer-children-deep-switch-expected.txt:
    * platform/chromium/compositing/geometry/limit-layer-bounds-fixed-positioned-expected.txt:
    * platform/chromium/compositing/geometry/limit-layer-bounds-overflow-root-expected.txt:
    * platform/chromium/compositing/geometry/limit-layer-bounds-positioned-expected.txt:
    * platform/chromium/compositing/geometry/limit-layer-bounds-positioned-transition-expected.txt:
    * platform/chromium/compositing/geometry/limit-layer-bounds-transformed-expected.txt:
    * platform/chromium/compositing/geometry/limit-layer-bounds-transformed-overflow-expected.txt:
    * platform/chromium/compositing/geometry/preserve-3d-switching-expected.txt:
    * platform/chromium/compositing/iframes/become-composited-nested-iframes-expected.txt:
    * platform/chromium/compositing/iframes/become-overlapped-iframe-expected.txt:
    * platform/chromium/compositing/iframes/composited-parent-iframe-expected.txt:
    * platform/chromium/compositing/iframes/connect-compositing-iframe-delayed-expected.txt:
    * platform/chromium/compositing/iframes/connect-compositing-iframe-expected.txt:
    * platform/chromium/compositing/iframes/connect-compositing-iframe2-expected.txt:
    * platform/chromium/compositing/iframes/connect-compositing-iframe3-expected.txt:
    * platform/chromium/compositing/iframes/enter-compositing-iframe-expected.txt:
    * platform/chromium/compositing/iframes/iframe-resize-expected.txt:
    * platform/chromium/compositing/iframes/iframe-size-from-zero-expected.txt:
    * platform/chromium/compositing/iframes/invisible-nested-iframe-hide-expected.txt:
    * platform/chromium/compositing/iframes/overlapped-iframe-expected.txt:
    * platform/chromium/compositing/iframes/overlapped-iframe-iframe-expected.txt:
    * platform/chromium/compositing/iframes/overlapped-nested-iframes-expected.txt:
    * platform/chromium/compositing/iframes/resizer-expected.txt:
    * platform/chromium/compositing/layer-creation/fixed-position-and-transform-expected.txt:
    * platform/chromium/compositing/layer-creation/fixed-position-change-out-of-view-in-view-expected.txt:
    * platform/chromium/compositing/layer-creation/fixed-position-out-of-view-expected.txt:
    * platform/chromium/compositing/layer-creation/fixed-position-out-of-view-scaled-expected.txt:
    * platform/chromium/compositing/layer-creation/fixed-position-out-of-view-scaled-scroll-expected.txt:
    * platform/chromium/compositing/layer-creation/fixed-position-under-transform-expected.txt:
    * platform/chromium/compositing/layer-creation/no-compositing-for-preserve-3d-expected.txt:
    * platform/chromium/compositing/layer-creation/overflow-scroll-overlap-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-animation-clipping-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-animation-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-child-layer-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-clipping-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-transformed-3d-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-transformed-and-clipped-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-transformed-layer-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-transformed-preserved-3d-expected.txt:
    * platform/chromium/compositing/layer-creation/overlap-transforms-expected.txt:
    * platform/chromium/compositing/layer-creation/spanOverlapsCanvas-expected.txt:
    * platform/chromium/compositing/layer-creation/stacking-context-overlap-expected.txt:
    * platform/chromium/compositing/layer-creation/translatez-overlap-expected.txt:
    * platform/chromium/compositing/overflow-trumps-transform-style-expected.txt:
    * platform/chromium/compositing/overflow/clip-descendents-expected.txt:
    * platform/chromium/compositing/rtl/rtl-absolute-expected.txt:
    * platform/chromium/compositing/rtl/rtl-absolute-overflow-expected.txt:
    * platform/chromium/compositing/rtl/rtl-absolute-overflow-scrolled-expected.txt:
    * platform/chromium/compositing/rtl/rtl-fixed-expected.txt:
    * platform/chromium/compositing/rtl/rtl-fixed-overflow-expected.txt:
    * platform/chromium/compositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/chromium/compositing/rtl/rtl-iframe-absolute-expected.txt:
    * platform/chromium/compositing/rtl/rtl-iframe-fixed-expected.txt:
    * platform/chromium/compositing/rtl/rtl-iframe-relative-expected.txt:
    * platform/chromium/compositing/rtl/rtl-relative-expected.txt:
    * platform/chromium/css3/filters/filtered-compositing-descendant-expected.txt:
    * platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-change-out-of-view-in-view-expected.txt:
    * platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-out-of-view-expected.txt:
    * platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-out-of-view-scaled-expected.txt:
    * platform/chromium/platform/chromium/virtual/softwarecompositing/layer-creation/fixed-position-out-of-view-scaled-scroll-expected.txt:
    * platform/efl/compositing/repaint/invalidations-on-composited-layers-expected.txt:
    * platform/mac-wk2/compositing/visible-rect/iframe-no-layers-expected.txt:
    * platform/mac/compositing/geometry/fixed-position-composited-switch-expected.txt:
    * platform/mac/compositing/iframes/resizer-expected.txt:
    * platform/mac/compositing/overflow/composited-scrolling-creates-a-stacking-container-expected.txt:
    * platform/mac/compositing/repaint/invalidations-on-composited-layers-expected.txt:
    * platform/mac/compositing/tiling/backface-preserve-3d-tiled-expected.txt:
    * platform/mac/compositing/tiling/crash-reparent-tiled-layer-expected.txt:
    * platform/mac/compositing/tiling/huge-layer-add-remove-child-expected.txt:
    * platform/mac/compositing/tiling/huge-layer-with-layer-children-expected.txt:
    * platform/mac/compositing/tiling/huge-layer-with-layer-children-resize-expected.txt:
    * platform/mac/compositing/tiling/rotated-tiled-clamped-expected.txt:
    * platform/mac/compositing/tiling/rotated-tiled-preserve3d-clamped-expected.txt:
    * platform/mac/compositing/tiling/tile-cache-zoomed-expected.txt:
    * platform/mac/compositing/tiling/tiled-layer-resize-expected.txt:
    * platform/mac/compositing/visible-rect/iframe-no-layers-expected.txt:
    * platform/qt-5.0-wk1/compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * platform/qt-5.0-wk1/compositing/geometry/layer-due-to-layer-children-deep-switch-expected.txt:
    * platform/qt-5.0-wk1/compositing/geometry/layer-due-to-layer-children-switch-expected.txt:
    * platform/qt-5.0-wk1/compositing/iframes/page-cache-layer-tree-expected.txt:
    * platform/qt-5.0-wk1/compositing/overflow/textarea-scroll-touch-expected.txt:
    * platform/qt-5.0-wk1/compositing/repaint/invalidations-on-composited-layers-expected.txt:
    * platform/qt-5.0-wk2/compositing/columns/composited-in-paginated-expected.txt:
    * platform/qt-5.0-wk2/compositing/geometry/bounds-ignores-hidden-composited-descendant-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/become-composited-nested-iframes-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/become-overlapped-iframe-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/composited-parent-iframe-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/connect-compositing-iframe-delayed-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/connect-compositing-iframe-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/connect-compositing-iframe2-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/connect-compositing-iframe3-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/enter-compositing-iframe-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/iframe-resize-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/invisible-nested-iframe-show-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/overlapped-iframe-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/overlapped-nested-iframes-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/page-cache-layer-tree-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/resizer-expected.txt:
    * platform/qt-5.0-wk2/compositing/iframes/scrolling-iframe-expected.txt: Removed.
    * platform/qt-5.0-wk2/compositing/layer-creation/fixed-position-and-transform-expected.txt:
    * platform/qt-5.0-wk2/compositing/layer-creation/fixed-position-change-out-of-view-in-view-expected.txt:
    * platform/qt-5.0-wk2/compositing/layer-creation/fixed-position-under-transform-expected.txt:
    * platform/qt-5.0-wk2/compositing/layer-creation/no-compositing-for-preserve-3d-expected.txt:
    * platform/qt-5.0-wk2/compositing/rtl/rtl-absolute-overflow-expected.txt:
    * platform/qt-5.0-wk2/compositing/rtl/rtl-fixed-overflow-expected.txt:
    * platform/qt-5.0-wk2/compositing/rtl/rtl-fixed-overflow-scrolled-expected.txt:
    * platform/qt-5.0-wk2/compositing/tiled-layers-hidpi-expected.txt:
    * platform/qt-5.0-wk2/compositing/tiling/crash-reparent-tiled-layer-expected.txt:
    * platform/qt-5.0-wk2/compositing/tiling/huge-layer-add-remove-child-expected.txt:
    * platform/qt-5.0-wk2/compositing/tiling/huge-layer-with-layer-children-expected.txt:
    * platform/qt-5.0-wk2/compositing/tiling/huge-layer-with-layer-children-resize-expected.txt:
    * platform/qt/compositing/backing/no-backing-for-clip-expected.txt:
    * platform/qt/compositing/backing/no-backing-for-clip-overlap-expected.txt:
    * platform/qt/compositing/backing/no-backing-for-perspective-expected.txt:
    * platform/qt/compositing/geometry/preserve-3d-switching-expected.txt:
    * platform/qt/compositing/iframes/invisible-nested-iframe-show-expected.txt:
    * platform/qt/compositing/layer-creation/no-compositing-for-preserve-3d-expected.txt:
    * platform/qt/compositing/overflow/composited-scrolling-creates-a-stacking-container-expected.txt:
    * platform/win/compositing/iframes/overlapped-iframe-iframe-expected.txt:
    * platform/win/compositing/tiling/huge-layer-add-remove-child-expected.txt:
    * platform/win/compositing/tiling/rotated-tiled-clamped-expected.txt:
    * platform/win/compositing/tiling/rotated-tiled-preserve3d-clamped-expected.txt:
    
    git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146531 268f45cc-cd09-0410-ab3c-d52691b4dbfc
    1f006a4f