Replace the GURL referrer field of OpenURLParams with a content::Referrer

content/browser/tab_contents/tab_contents.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 497 matching lines @@
       RenderViewHost* render_view_host) OVERRIDE;
   virtual void DocumentOnLoadCompletedInMainFrame(
       RenderViewHost* render_view_host,
       int32 page_id) OVERRIDE;
   virtual void RequestOpenURL(const GURL& url,
                               const content::Referrer& referrer,
                               WindowOpenDisposition disposition,
                               int64 source_frame_id) OVERRIDE;
   virtual void RequestTransferURL(
       const GURL& url,
-      const GURL& referrer,
+      const content::Referrer& referrer,
       WindowOpenDisposition disposition,
       int64 source_frame_id,
       const GlobalRequestID& transferred_global_request_id) OVERRIDE;
   virtual void RunJavaScriptMessage(const RenderViewHost* rvh,
                                     const string16& message,
                                     const string16& default_prompt,
                                     const GURL& frame_url,
                                     const int flags,
                                     IPC::Message* reply_msg,
                                     bool* did_suppress_message) OVERRIDE;
@@ skipping 355 matching lines @@
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   // Our view type. Default is VIEW_TYPE_TAB_CONTENTS.
   content::ViewType view_type_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_