Add the ubercomp DelegatedRendererLayer.

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"
 #include "CCRenderSurface.h"
 #include "CCResourceProvider.h"
 #include "CCSharedQuadState.h"
 #include "FloatRect.h"
 #include "IntRect.h"
 #include "Region.h"
 #include "SkColor.h"
 #include "cc/own_ptr_vector.h"
 #include <public/WebFilterOperations.h>
 #include <public/WebTransformationMatrix.h>
@@ skipping 54 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); }
+
     // 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.
-    bool descendantDrawsContent();
+    virtual bool descendantDrawsContent();
 
     void setAnchorPoint(const FloatPoint&);
     const FloatPoint& anchorPoint() const { return m_anchorPoint; }
 
     void setAnchorPointZ(float);
     float anchorPointZ() const { return m_anchorPointZ; }
 
     void setBackgroundColor(SkColor);
     SkColor backgroundColor() const { return m_backgroundColor; }
 
@@ skipping 280 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