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

content/browser/tab_contents/tab_contents_observer.cc

 // 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.
 
 #include "content/browser/tab_contents/tab_contents_observer.h"
 
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/tab_contents/navigation_details.h"
 #include "content/browser/tab_contents/tab_contents.h"
 
@@ skipping 83 matching lines @@
 void TabContentsObserver::DidStartLoading() {
 }
 
 void TabContentsObserver::DidStopLoading() {
 }
 
 void TabContentsObserver::StopNavigation() {
 }
 
 void TabContentsObserver::DidOpenURL(const GURL& url,
-                                     const GURL& referrer,
+                                     const content::Referrer& referrer,
                                      WindowOpenDisposition disposition,
                                      content::PageTransition transition) {
 }
 
 void TabContentsObserver::DidOpenRequestedURL(
     TabContents* new_contents,
     const GURL& url,
-    const GURL& referrer,
+    const content::Referrer& referrer,
     WindowOpenDisposition disposition,
     content::PageTransition transition,
     int64 source_frame_id) {
 }
 
 void TabContentsObserver::AppCacheAccessed(const GURL& manifest_url,
                                            bool blocked_by_policy) {
 }
 
 TabContentsObserver::TabContentsObserver(TabContents* tab_contents)
@@ skipping 43 matching lines @@
 }
 
 void TabContentsObserver::TabContentsDestroyed() {
   // Do cleanup so that 'this' can safely be deleted from
   // TabContentsDestroyed.
   tab_contents_->RemoveObserver(this);
   TabContents* tab = tab_contents_;
   tab_contents_ = NULL;
   TabContentsDestroyed(tab);
 }