content: Move all listeners of NOTIFICATION_RENDER_VIEW_HOST_CREATED out of content.

content/test/content_browser_test_utils.cc

 // Copyright (c) 2012 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/test/content_browser_test_utils.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
@@ skipping 21 matching lines @@
   return net::FilePathToFileURL(GetTestFilePath(dir, file));
 }
 
 void NavigateToURLBlockUntilNavigationsComplete(Shell* window,
                                                 const GURL& url,
                                                 int number_of_navigations) {
   WaitForLoadStop(window->web_contents());
   NavigationController* controller = &window->web_contents()->GetController();
   TestNavigationObserver same_tab_observer(
       Source<NavigationController>(controller),
-      NULL,
       number_of_navigations);
 
   window->LoadURL(url);
 
   base::RunLoop run_loop;
   same_tab_observer.WaitForObservation(
       base::Bind(&RunThisRunLoop, base::Unretained(&run_loop)),
       GetQuitTaskForRunLoop(&run_loop));
 }
 
@@ skipping 30 matching lines @@
 }
 
 void ShellAddedObserver::ShellCreated(Shell* shell) {
   DCHECK(!shell_);
   shell_ = shell;
   if (runner_)
     runner_->QuitClosure().Run();
 }
 
 }  // namespace content