Route selection bounds updates through the compositor

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index ecab46d345a3a5de8d4746c888517ef2acc378a9..1e493f755b7fecd3a66c177ead83d9a82e67e53a 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -235,8 +235,7 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   void OnFrameMetadataUpdated(
       const cc::CompositorFrameMetadata& frame_metadata);
   void ComputeContentsSize(const cc::CompositorFrameMetadata& frame_metadata);
-  void ResetClipping();
-  void ClipContents(const gfx::Rect& clipping, const gfx::Size& content_size);
+  void UpdateSelectionBounds(const cc::CompositorFrameMetadata& frame_metadata);
 
   void AttachLayers();
   void RemoveLayers();
@@ -335,6 +334,10 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   // Size to use if we have no backing ContentViewCore
   gfx::Size default_size_;
 
+  // Cached rectangles for the selection anchor and focus.
+  cc::SelectionBound cached_selection_anchor_;
+  cc::SelectionBound cached_selection_focus_;
+
   const bool using_synchronous_compositor_;
 
   scoped_ptr<DelegatedFrameEvictor> frame_evictor_;