Almost finish moving context_menu_node_ from RenderViewImpl to RenderFrameImpl.

content/public/browser/render_widget_host.h

Index: content/public/browser/render_widget_host.h
===================================================================
--- content/public/browser/render_widget_host.h	(revision 254898)
+++ content/public/browser/render_widget_host.h	(working copy)
@@ -124,12 +124,10 @@
   virtual ~RenderWidgetHost() {}
 
   // Edit operations.
+  // TODO(jam): move the rest of these to RenderFrameHost
   virtual void Undo() = 0;
   virtual void Redo() = 0;
-  virtual void Cut() = 0;
-  virtual void Copy() = 0;
   virtual void CopyToFindPboard() = 0;
-  virtual void Paste() = 0;
   virtual void PasteAndMatchStyle() = 0;
   virtual void Delete() = 0;
   virtual void SelectAll() = 0;