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

Source/WebCore/platform/graphics/GraphicsLayer.h

 /*
  * Copyright (C) 2009 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 253 matching lines @@
 
     bool preserves3D() const { return m_preserves3D; }
     virtual void setPreserves3D(bool b) { m_preserves3D = b; }
     
     bool masksToBounds() const { return m_masksToBounds; }
     virtual void setMasksToBounds(bool b) { m_masksToBounds = b; }
     
     bool drawsContent() const { return m_drawsContent; }
     virtual void setDrawsContent(bool b) { m_drawsContent = b; }
 
-    bool contentsAreVisible() const { return m_contentsVisible; }
-    virtual void setContentsVisible(bool b) { m_contentsVisible = b; }
-
     bool acceleratesDrawing() const { return m_acceleratesDrawing; }
     virtual void setAcceleratesDrawing(bool b) { m_acceleratesDrawing = b; }
 
     // The color used to paint the layer backgrounds
     const Color& backgroundColor() const { return m_backgroundColor; }
     virtual void setBackgroundColor(const Color&);
     virtual void clearBackgroundColor();
     bool backgroundColorSet() const { return m_backgroundColorSet; }
 
     // opaque means that we know the layer contents have no alpha
@@ skipping 140 matching lines @@
     float m_opacity;
     float m_zPosition;
 
     bool m_backgroundColorSet : 1;
     bool m_contentsOpaque : 1;
     bool m_preserves3D: 1;
     bool m_backfaceVisibility : 1;
     bool m_usingTiledLayer : 1;
     bool m_masksToBounds : 1;
     bool m_drawsContent : 1;
-    bool m_contentsVisible : 1;
     bool m_acceleratesDrawing : 1;
     bool m_maintainsPixelAlignment : 1;
     bool m_appliesPageScale : 1; // Set for the layer which has the page scale applied to it.
 
     GraphicsLayerPaintingPhase m_paintingPhase;
     CompositingCoordinatesOrientation m_contentsOrientation; // affects orientation of layer contents
 
     Vector<GraphicsLayer*> m_children;
     GraphicsLayer* m_parent;
 
@@ skipping 18 matching lines @@
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showGraphicsLayerTree(const WebCore::GraphicsLayer* layer);
 #endif
 
 #endif // USE(ACCELERATED_COMPOSITING)
 
 #endif // GraphicsLayer_h