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

chrome/browser/debugger/devtools_window.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 <algorithm>
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/stringprintf.h"
@@ skipping 145 matching lines @@
     RenderViewHost* inspected_rvh,
     bool docked,
     bool shared_worker_frontend) {
   // Create TabContents with devtools.
   TabContentsWrapper* tab_contents =
       Browser::TabContentsFactory(profile, NULL, MSG_ROUTING_NONE, NULL, NULL);
   tab_contents->render_view_host()->AllowBindings(
       content::BINDINGS_POLICY_WEB_UI);
   tab_contents->controller().LoadURL(
       GetDevToolsUrl(profile, docked, shared_worker_frontend),
-      GURL(),
+      content::Referrer(),
       content::PAGE_TRANSITION_START_PAGE,
       std::string());
   return new DevToolsWindow(tab_contents, profile, inspected_rvh, docked);
 }
 
 DevToolsWindow::DevToolsWindow(TabContentsWrapper* tab_contents,
                                Profile* profile,
                                RenderViewHost* inspected_rvh,
                                bool docked)
     : profile_(profile),
@@ skipping 494 matching lines @@
                            content);
 }
 
 content::JavaScriptDialogCreator* DevToolsWindow::GetJavaScriptDialogCreator() {
   if (inspected_tab_ && inspected_tab_->tab_contents()->delegate()) {
     return inspected_tab_->tab_contents()->delegate()->
         GetJavaScriptDialogCreator();
   }
   return TabContentsDelegate::GetJavaScriptDialogCreator();
 }