Start moving context menu code to RenderFrame.

chrome/browser/ui/gtk/tab_contents/render_view_context_menu_gtk.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/gtk/tab_contents/render_view_context_menu_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 57 matching lines @@
       if (subitem)
         return subitem;
     }
   }
   return NULL;
 }
 
 }  // namespace
 
 RenderViewContextMenuGtk::RenderViewContextMenuGtk(
-    WebContents* web_contents,
+    content::RenderFrameHost* render_frame_host,
     const content::ContextMenuParams& params,
     content::RenderWidgetHostView* view)
-    : RenderViewContextMenu(web_contents, params),
+    : RenderViewContextMenu(render_frame_host, params),
       bidi_submenu_model_(this) {
   GdkEventButton* event = view->GetLastMouseDown();
   triggering_event_time_ = event ? event->time : GDK_CURRENT_TIME;
 }
 
 RenderViewContextMenuGtk::~RenderViewContextMenuGtk() {
 }
 
 void RenderViewContextMenuGtk::PlatformInit() {
   menu_gtk_.reset(new MenuGtk(this, &menu_model_));
@@ skipping 141 matching lines @@
 
   // Enable (or disable) the menu item and updates its text.
   gtk_widget_set_sensitive(item, enabled);
   if (hidden)
     gtk_widget_hide(item);
   else
     gtk_widget_show(item);
   gtk_menu_item_set_label(GTK_MENU_ITEM(item),
                           base::UTF16ToUTF8(title).c_str());
 }