Remove a bunch of dead code from RenderLayer

sky/engine/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 601 matching lines @@
         AppliedTextDecoration() : color(Color::transparent), style(TextDecorationStyleSolid) { }
     };
 
     void getTextDecorations(unsigned decorations, AppliedTextDecoration& underline, AppliedTextDecoration& overline, AppliedTextDecoration& linethrough, bool quirksMode = false, bool firstlineStyle = false);
 
     // Return the RenderLayerModelObject in the container chain which is responsible for painting this object, or 0
     // if painting is root-relative. This is the container that should be passed to the 'forPaintInvalidation'
     // methods.
     const RenderLayerModelObject* containerForPaintInvalidation() const;
     const RenderLayerModelObject* adjustCompositedContainerForSpecialAncestors(const RenderLayerModelObject* paintInvalidationContainer) const;
-    bool isPaintInvalidationContainer() const;
 
     LayoutRect computePaintInvalidationRect()
     {
         return computePaintInvalidationRect(containerForPaintInvalidation());
     }
 
     // Returns the paint invalidation rect for this RenderObject in the coordinate space of the paint backing (typically a GraphicsLayer) for |paintInvalidationContainer|.
     LayoutRect computePaintInvalidationRect(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* = 0) const;
 
     // Returns the rect bounds needed to invalidate the paint of this object, in the coordinate space of the rendering backing of |paintInvalidationContainer|
@@ skipping 247 matching lines @@
         return layoutDidGetCalled() || shouldDoFullPaintInvalidation() || shouldDoFullPaintInvalidationIfSelfPaintingLayer()
             || onlyNeededPositionedMovementLayout() || neededLayoutBecauseOfChildren() || mayNeedPaintInvalidation();
     }
 #endif
 
 private:
     // Invalidate the paint of the entire object. This is only used when a renderer is to be removed.
     // For other cases, the caller should call setShouldDoFullPaintInvalidation() instead.
     void invalidatePaintForWholeRenderer() const;
 
-    const RenderLayerModelObject* enclosingCompositedContainer() const;
-
     bool hasImmediateNonWhitespaceTextChildOrPropertiesDependentOnColor() const;
 
     StyleDifference adjustStyleDifference(StyleDifference) const;
 
     Color selectionColor(int colorProperty) const;
 
 #if ENABLE(ASSERT)
     void checkBlockPositionedObjectsNeedLayout();
 #endif
     const char* invalidationReasonToString(InvalidationReason) const;
@@ skipping 289 matching lines @@
 void showTree(const blink::RenderObject*);
 void showLineTree(const blink::RenderObject*);
 void showRenderTree(const blink::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const blink::RenderObject* object1, const blink::RenderObject* object2);
 
 #endif
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDEROBJECT_H_