Start moving context menu code to RenderFrame.

content/browser/web_contents/web_contents_view_gtk.cc

Index: content/browser/web_contents/web_contents_view_gtk.cc
===================================================================
--- content/browser/web_contents/web_contents_view_gtk.cc	(revision 247964)
+++ content/browser/web_contents/web_contents_view_gtk.cc	(working copy)
@@ -362,9 +362,10 @@
   return TRUE;
 }
 
-void WebContentsViewGtk::ShowContextMenu(const ContextMenuParams& params) {
+void WebContentsViewGtk::ShowContextMenu(RenderFrameHost* render_frame_host,
+                                         const ContextMenuParams& params) {
   if (delegate_)
-    delegate_->ShowContextMenu(params);
+    delegate_->ShowContextMenu(render_frame_host, params);
   else
     DLOG(ERROR) << "Cannot show context menus without a delegate.";
 }