Revert "Don't invalidate scrolling container layer when scrolling contents need invalidation"

Source/core/rendering/compositing/CompositedLayerMapping.h

 /*
  * Copyright (C) 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 116 matching lines @@
     // Updates whether a backing store is needed for intrinsic reasons (that is, based on the
     // layer's own properties or compositing reasons); returns true if the intrinsic need for
     // a backing store changed.
     bool updateRequiresOwnBackingStoreForIntrinsicReasons();
 
     void setSquashingContentsNeedDisplay();
     void setContentsNeedDisplay();
     // r is in the coordinate space of the layer's render object
     void setContentsNeedDisplayInRect(const LayoutRect&, PaintInvalidationReason);
 
-    void setScrollingContentsNeedDisplay();
-    // FIXME: Temporarily the rect is in the coordinate space of the scrolling container layer.
-    // Will make it in the coordinate space of the scrolling contents layer. crbug.com/416539.
-    void setScrollingContentsNeedDisplayInRect(const LayoutRect&, PaintInvalidationReason);
-
     // Notification from the renderer that its content changed.
     void contentChanged(ContentChangeType);
 
     LayoutRect compositedBounds() const { return m_compositedBounds; }
     IntRect pixelSnappedCompositedBounds() const;
 
     void positionOverflowControlsLayers(const IntSize& offsetFromRoot);
     bool hasUnpositionedOverflowControlsLayers() const;
 
     // Returns true if the assignment actually changed the assigned squashing layer.
@@ skipping 276 matching lines @@
     unsigned m_isMainFrameRenderViewLayer : 1;
     unsigned m_requiresOwnBackingStoreForIntrinsicReasons : 1;
     unsigned m_requiresOwnBackingStoreForAncestorReasons : 1;
     unsigned m_backgroundLayerPaintsFixedRootBackground : 1;
     unsigned m_scrollingContentsAreEmpty : 1;
 };
 
 } // namespace blink
 
 #endif // CompositedLayerMapping_h