Fix remaining cc files to compile with Clang

cc/CCLayerImpl.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CCLayerImpl_h
 #define CCLayerImpl_h
 
 #include "CCInputHandler.h"
 #include "CCLayerAnimationController.h"
 #include "CCRenderPass.h"
@@ skipping 64 matching lines @@
     // willDraw must be called before appendQuads. If willDraw is called,
     // didDraw is guaranteed to be called before another willDraw or before
     // the layer is destroyed. To enforce this, any class that overrides
     // willDraw/didDraw must call the base class version.
     virtual void willDraw(CCResourceProvider*);
     virtual void appendQuads(CCQuadSink&, CCAppendQuadsData&) { }
     virtual void didDraw(CCResourceProvider*);
 
     virtual CCResourceProvider::ResourceId contentsResourceId() const;
 
-    virtual bool hasContributingDelegatedRenderPasses() const { return false; }
-    virtual CCRenderPass::Id firstContributingRenderPassId() const { return CCRenderPass::Id(0, 0); }
-    virtual CCRenderPass::Id nextContributingRenderPassId(CCRenderPass::Id) const { return CCRenderPass::Id(0, 0); }
+    virtual bool hasContributingDelegatedRenderPasses() const;
+    virtual CCRenderPass::Id firstContributingRenderPassId() const;
+    virtual CCRenderPass::Id nextContributingRenderPassId(CCRenderPass::Id) const;
 
     // Returns true if this layer has content to draw.
     void setDrawsContent(bool);
     bool drawsContent() const { return m_drawsContent; }
 
     bool forceRenderSurface() const { return m_forceRenderSurface; }
     void setForceRenderSurface(bool force) { m_forceRenderSurface = force; }
 
     // Returns true if any of the layer's descendants has content to draw.
     virtual bool descendantDrawsContent();
@@ skipping 290 matching lines @@
 
     // Manages scrollbars for this layer
     OwnPtr<CCScrollbarAnimationController> m_scrollbarAnimationController;
 };
 
 void sortLayers(Vector<CCLayerImpl*>::iterator first, Vector<CCLayerImpl*>::iterator end, CCLayerSorter*);
 
 }
 
 #endif // CCLayerImpl_h