Plumbing for browser process to access text surrounding selection.

content/browser/renderer_host/render_view_host_impl.h

Index: content/browser/renderer_host/render_view_host_impl.h
diff --git a/content/browser/renderer_host/render_view_host_impl.h b/content/browser/renderer_host/render_view_host_impl.h
index f3899928e39f16221dad863a769ab4454f18520c..9ed7bc319ef2331cd682bf298b6dcc50724e8f1e 100644
--- a/content/browser/renderer_host/render_view_host_impl.h
+++ b/content/browser/renderer_host/render_view_host_impl.h
@@ -438,6 +438,10 @@ class CONTENT_EXPORT RenderViewHostImpl
   // Whether the RVH is waiting for the unload ack from the renderer.
   bool IsWaitingForUnloadACK() const;
 
+  void OnTextSurroundingSelectionResponse(const base::string16& content,
+                                          int start_offset,
+                                          int end_offset);
+
   // Update the FrameTree to use this RenderViewHost's main frame
   // RenderFrameHost. Called when the RenderViewHost is committed.
   //