Change NavigationController::LoadURL to take a Referrer class instead of a GURL as referrer

chrome/test/base/browser_with_test_window_test.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/test/base/browser_with_test_window_test.h"
 
 #if defined(OS_WIN)
 #include <ole2.h>
 #endif  // defined(OS_WIN)
 
@@ skipping 98 matching lines @@
   // Simulate the SwapOut_ACK that fires if you commit a cross-site navigation
   // without making any network requests.
   if (pending_rvh)
     old_rvh->OnSwapOutACK();
 }
 
 void BrowserWithTestWindowTest::NavigateAndCommit(
     NavigationController* controller,
     const GURL& url) {
   controller->LoadURL(
-      url, GURL(), content::PAGE_TRANSITION_LINK, std::string());
+      url, content::Referrer(), content::PAGE_TRANSITION_LINK, std::string());
   CommitPendingLoad(controller);
 }
 
 void BrowserWithTestWindowTest::NavigateAndCommitActiveTab(const GURL& url) {
   NavigateAndCommit(&browser()->GetSelectedTabContents()->controller(), url);
 }
 
 void BrowserWithTestWindowTest::DestroyBrowser() {
   if (!browser_.get())
     return;
   // Make sure we close all tabs, otherwise Browser isn't happy in its
   // destructor.
   browser()->CloseAllTabs();
   browser_.reset(NULL);
   window_.reset(NULL);
 }
 
 TestingProfile* BrowserWithTestWindowTest::CreateProfile() {
   return new TestingProfile();
 }