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

content/browser/tab_contents/navigation_controller.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_NAVIGATION_CONTROLLER_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_
 #pragma once
 
 #include "build/build_config.h"
 
 #include <string>
 #include <vector>
 
 #include "base/memory/linked_ptr.h"
 #include "base/time.h"
 #include "googleurl/src/gurl.h"
 #include "content/browser/renderer_host/global_request_id.h"
 #include "content/browser/ssl/ssl_manager.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/navigation_type.h"
 #include "content/public/common/page_transition_types.h"
+#include "content/public/common/referrer.h"
 
 class NavigationEntry;
 class SessionStorageNamespace;
 class SiteInstance;
 class TabContents;
 struct ViewHostMsg_FrameNavigate_Params;
 
 namespace content {
 class BrowserContext;
 struct LoadCommittedDetails;
@@ skipping 138 matching lines @@
 
   // Returns the transient entry if any.  Note that the returned entry is owned
   // by the navigation controller and may be deleted at any time.
   NavigationEntry* GetTransientEntry() const;
 
   // New navigations -----------------------------------------------------------
 
   // Loads the specified URL, specifying extra http headers to add to the
   // request.  Extra headers are separated by \n.
   void LoadURL(const GURL& url,
-               const GURL& referrer,
+               const content::Referrer& referrer,
                content::PageTransition type,
                const std::string& extra_headers);
 
   // Same as LoadURL, but for renderer-initiated navigations.  This state is
   // important for tracking whether to display pending URLs.
   void LoadURLFromRenderer(const GURL& url,
-                           const GURL& referrer,
+                           const content::Referrer& referrer,
                            content::PageTransition type,
                            const std::string& extra_headers);
 
   // Behaves like LoadURL() and LoadURLFromRenderer() but marks the new
   // navigation as being transferred from one RVH to another. In this case the
   // browser can recycle the old request once the new renderer wants to
   // navigate.
   // |transferred_global_request_id| identifies the request ID of the old
   // request.
   void TransferURL(
@@ skipping 304 matching lines @@
   static size_t max_entry_count_;
 
   // If a repost is pending, its type (RELOAD or RELOAD_IGNORING_CACHE),
   // NO_RELOAD otherwise.
   ReloadType pending_reload_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationController);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_CONTROLLER_H_