Almost finish moving context_menu_node_ from RenderViewImpl to RenderFrameImpl.

content/public/browser/render_frame_host.h

Index: content/public/browser/render_frame_host.h
===================================================================
--- content/public/browser/render_frame_host.h	(revision 255719)
+++ content/public/browser/render_frame_host.h	(working copy)
@@ -60,6 +60,11 @@
   virtual void ExecuteCustomContextMenuCommand(
       int action, const CustomContextMenuContext& context) = 0;
 
+  // Edit operations.
+  virtual void Cut() = 0;
+  virtual void Copy() = 0;
+  virtual void Paste() = 0;
+
   // Requests the renderer to insert CSS into the frame's document.
   virtual void InsertCSS(const std::string& css) = 0;