Inject CanAddURLToHistory into TopSitesImpl

content/renderer/gpu/render_widget_compositor.h

 // Copyright (c) 2013 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 CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 #define CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
@@ skipping 101 matching lines @@
   virtual void setDeferCommits(bool defer_commits);
   virtual void registerForAnimations(blink::WebLayer* layer);
   virtual void registerViewportLayers(
       const blink::WebLayer* overscrollElasticityLayer,
       const blink::WebLayer* pageScaleLayer,
       const blink::WebLayer* innerViewportScrollLayer,
       const blink::WebLayer* outerViewportScrollLayer) override;
   virtual void clearViewportLayers() override;
   virtual void registerSelection(const blink::WebSelection& selection) override;
   virtual void clearSelection() override;
+  virtual int layerTreeId() const;
   virtual void setShowFPSCounter(bool show);
   virtual void setShowPaintRects(bool show);
   virtual void setShowDebugBorders(bool show);
   virtual void setContinuousPaintingEnabled(bool enabled);
   virtual void setShowScrollBottleneckRects(bool show);
 
   virtual void updateTopControlsState(blink::WebTopControlsState constraints,
                               blink::WebTopControlsState current,
                               bool animate);
   virtual void setTopControlsHeight(float height, bool shrink);
@@ skipping 47 matching lines @@
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 
   scoped_ptr<cc::CopyOutputRequest> temporary_copy_output_request_;
 
   base::WeakPtrFactory<RenderWidgetCompositor> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDER_WIDGET_COMPOSITOR_H_