Remove hasContentsLayer and isMainFrameRenderViewLayer from CLM

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 72 matching lines @@
     GraphicsLayer* mainGraphicsLayer() const { return m_graphicsLayer.get(); }
 
     // Layer to clip children
     bool hasClippingLayer() const { return m_childContainmentLayer; }
     GraphicsLayer* clippingLayer() const { return m_childContainmentLayer.get(); }
 
     // Layer to get clipped by ancestor
     bool hasAncestorClippingLayer() const { return m_ancestorClippingLayer; }
     GraphicsLayer* ancestorClippingLayer() const { return m_ancestorClippingLayer.get(); }
 
-    bool hasContentsLayer() const { return m_foregroundLayer; }
     GraphicsLayer* foregroundLayer() const { return m_foregroundLayer.get(); }
 
     GraphicsLayer* backgroundLayer() const { return m_backgroundLayer.get(); }
     bool backgroundLayerPaintsFixedRootBackground() const { return m_backgroundLayerPaintsFixedRootBackground; }
 
     bool hasScrollingLayer() const { return m_scrollingLayer; }
     GraphicsLayer* scrollingLayer() const { return m_scrollingLayer.get(); }
     GraphicsLayer* scrollingContentsLayer() const { return m_scrollingContentsLayer.get(); }
     GraphicsLayer* scrollingBlockSelectionLayer() const { return m_scrollingBlockSelectionLayer.get(); }
 
@@ skipping 162 matching lines @@
     // Result is transform origin in pixels.
     FloatPoint3D computeTransformOrigin(const IntRect& borderBox) const;
 
     void updateOpacity(const RenderStyle*);
     void updateTransform(const RenderStyle*);
     void updateLayerBlendMode(const RenderStyle*);
     void updateIsRootForIsolatedGroup();
     // Return the opacity value that this layer should use for compositing.
     float compositingOpacity(float rendererOpacity) const;
 
-    bool isMainFrameRenderViewLayer() const;
-
     bool paintsChildren() const;
 
     // 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();
 
     Color rendererBackgroundColor() const;
     void updateBackgroundColor();
@@ skipping 138 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