Use stored render_frame_id_ instead of using GetRenderFrameHost(), as it may return NULL

chrome/browser/renderer_context_menu/render_view_context_menu.cc

 // Copyright 2014 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/renderer_context_menu/render_view_context_menu.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 1679 matching lines @@
       chrome::NOTIFICATION_RENDER_VIEW_CONTEXT_MENU_SHOWN,
       content::Source<RenderViewContextMenu>(this),
       content::NotificationService::NoDetails());
 }
 
 void RenderViewContextMenu::NotifyURLOpened(
     const GURL& url,
     content::WebContents* new_contents) {
   RetargetingDetails details;
   details.source_web_contents = source_web_contents_;
-  details.source_render_frame_id = GetRenderFrameHost()->GetRoutingID();
+  // Don't use GetRenderFrameHost() as it may be NULL. crbug.com/399789
+  details.source_render_frame_id = render_frame_id_;
   details.target_url = url;
   details.target_web_contents = new_contents;
   details.not_yet_in_tabstrip = false;
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_RETARGETING,
       content::Source<Profile>(GetProfile()),
       content::Details<RetargetingDetails>(&details));
 }
 
@@ skipping 60 matching lines @@
   source_web_contents_->GetRenderViewHost()->
       ExecuteMediaPlayerActionAtLocation(location, action);
 }
 
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }