Route selection bounds updates through the compositor

content/renderer/gpu/render_widget_compositor.h

Index: content/renderer/gpu/render_widget_compositor.h
diff --git a/content/renderer/gpu/render_widget_compositor.h b/content/renderer/gpu/render_widget_compositor.h
index 4160df2de20f5c820d488c05a8106cb794190cc9..32f85a8b8c7c025dfadf59f7356a5081b0c8570e 100644
--- a/content/renderer/gpu/render_widget_compositor.h
+++ b/content/renderer/gpu/render_widget_compositor.h
@@ -75,6 +75,7 @@ class RenderWidgetCompositor : public blink::WebLayerTreeView,
       scoped_ptr<base::Value> value,
       const base::Callback<void(scoped_ptr<base::Value>)>& callback);
   bool SendMessageToMicroBenchmark(int id, scoped_ptr<base::Value> value);
+  void SetIgnoreSelectionUpdates(bool ignore_selection);
 
   // WebLayerTreeView implementation.
   virtual void setSurfaceReady();
@@ -115,6 +116,8 @@ class RenderWidgetCompositor : public blink::WebLayerTreeView,
       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 void setShowFPSCounter(bool show);
   virtual void setShowPaintRects(bool show);
   virtual void setShowDebugBorders(bool show);
@@ -150,6 +153,7 @@ class RenderWidgetCompositor : public blink::WebLayerTreeView,
 
   bool threaded_;
   bool suppress_schedule_composite_;
+  bool suppress_selection_updates_;
   RenderWidget* widget_;
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 };