Revert 98735 - Source/WebCore: The HTML5 video element in Safari does not respect "visibility:hid...

Source/WebCore/rendering/RenderLayerBacking.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 170 matching lines @@
     // Returns true if this layer has content that needs to be rendered by painting into the backing store.
     bool containsPaintedContent() const;
     // Returns true if the RenderLayer just contains an image that we can composite directly.
     bool isDirectlyCompositedImage() const;
     void updateImageContents();
 
     bool rendererHasBackground() const;
     Color rendererBackgroundColor() const;
     void updateBackgroundColor();
 
-    bool hasVisibleNonCompositingDescendants() const;
+    bool hasNonCompositingDescendants() const;
     
     void paintIntoLayer(RenderLayer* rootLayer, GraphicsContext*, const LayoutRect& paintDirtyRect, PaintBehavior, GraphicsLayerPaintingPhase, RenderObject* paintingRoot);
 
     static int graphicsLayerToCSSProperty(AnimatedPropertyID);
     static AnimatedPropertyID cssToGraphicsLayerProperty(int);
 
 #ifndef NDEBUG
     String nameForLayer() const;
 #endif
 
@@ skipping 12 matching lines @@
     LayoutRect m_compositedBounds;
 
     bool m_artificiallyInflatedBounds;      // bounds had to be made non-zero to make transform-origin work
 };
 
 } // namespace WebCore
 
 #endif // USE(ACCELERATED_COMPOSITING)
 
 #endif // RenderLayerBacking_h