[cc] Color evicted vs. invalidated checkerboard tiles differently

cc/CCTiledLayerImpl.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 CCTiledLayerImpl_h
 #define CCTiledLayerImpl_h
 
 #include "CCLayerImpl.h"
 #include <public/WebTransformationMatrix.h>
 
@@ skipping 12 matching lines @@
 
     virtual void appendQuads(CCQuadSink&, CCAppendQuadsData&) OVERRIDE;
 
     virtual CCResourceProvider::ResourceId contentsResourceId() const OVERRIDE;
 
     virtual void dumpLayerProperties(std::string*, int indent) const OVERRIDE;
 
     void setSkipsDraw(bool skipsDraw) { m_skipsDraw = skipsDraw; }
     void setTilingData(const CCLayerTilingData& tiler);
     void pushTileProperties(int, int, CCResourceProvider::ResourceId, const IntRect& opaqueRect);
+    void pushInvalidTile(int, int);
 
     void setContentsSwizzled(bool contentsSwizzled) { m_contentsSwizzled = contentsSwizzled; }
     bool contentsSwizzled() const { return m_contentsSwizzled; }
 
     virtual Region visibleContentOpaqueRegion() const OVERRIDE;
     virtual void didLoseContext() OVERRIDE;
 
 protected:
     explicit CCTiledLayerImpl(int id);
     // Exposed for testing.
     bool hasTileAt(int, int) const;
     bool hasTextureIdForTileAt(int, int) const;
 
 private:
 
     virtual const char* layerTypeAsString() const OVERRIDE;
 
     DrawableTile* tileAt(int, int) const;
     DrawableTile* createTile(int, int);
 
     bool m_skipsDraw;
     bool m_contentsSwizzled;
 
     OwnPtr<CCLayerTilingData> m_tiler;
 };
 
 }
 
 #endif // CCTiledLayerImpl_h