Update CreateTabContents to use a content::Referrer instead of a plain URL

chrome/browser/ui/browser.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 "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 3032 matching lines @@
   browser->LoadingStateChanged(detached_contents->tab_contents());
   return browser;
 }
 
 int Browser::GetDragActions() const {
   return TabStripModelDelegate::TAB_TEAROFF_ACTION | (tab_count() > 1 ?
       TabStripModelDelegate::TAB_MOVE_ACTION : 0);
 }
 
 TabContentsWrapper* Browser::CreateTabContentsForURL(
-    const GURL& url, const GURL& referrer, Profile* profile,
+    const GURL& url, const content::Referrer& referrer, Profile* profile,
     content::PageTransition transition, bool defer_load,
     SiteInstance* instance) const {
   TabContentsWrapper* contents = TabContentsFactory(profile, instance,
       MSG_ROUTING_NONE,
       GetSelectedTabContents(), NULL);
   if (!defer_load) {
     // Load the initial URL before adding the new tab contents to the tab strip
     // so that the tab contents has navigation state.
-    contents->controller().LoadURL(
-        url,
-        content::Referrer(referrer, WebKit::WebReferrerPolicyDefault),
-        transition,
-        std::string());
+    contents->controller().LoadURL(url, referrer, transition, std::string());
   }
 
   return contents;
 }
 
 bool Browser::CanDuplicateContentsAt(int index) {
   NavigationController& nc = GetTabContentsAt(index)->controller();
   return nc.tab_contents() && nc.GetLastCommittedEntry();
 }
 
@@ skipping 2249 matching lines @@
     window_->GetLocationBar()->ShowFirstRunBubble(bubble_type);
   } else {
     GlobalErrorService* service =
         GlobalErrorServiceFactory::GetForProfile(profile());
     GlobalError* error = service->GetFirstGlobalErrorWithBubbleView();
     if (error) {
       error->ShowBubbleView(this);
     }
   }
 }