Switch WindowedNotificationObserver to use base::RunLoop.

chrome/browser/ui/login/login_handler_test_utils.h

 // Copyright 2014 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 CHROME_BROWSER_UI_LOGIN_LOGIN_HANDLER_TEST_UTILS_H_
 #define CHROME_BROWSER_UI_LOGIN_LOGIN_HANDLER_TEST_UTILS_H_
 
 #include <list>
 
 #include "base/macros.h"
@@ skipping 13 matching lines @@
 
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   void AddHandler(LoginHandler* handler);
 
   void RemoveHandler(LoginHandler* handler);
 
   void Register(const content::NotificationSource& source);
+  void UnregisterAll();
 
   const std::list<LoginHandler*>& handlers() const { return handlers_; }
 
   int auth_needed_count() const { return auth_needed_count_; }
   int auth_supplied_count() const { return auth_supplied_count_; }
   int auth_cancelled_count() const { return auth_cancelled_count_; }
 
  private:
   std::list<LoginHandler*> handlers_;
 
@@ skipping 51 matching lines @@
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
  private:
   int remaining_notification_count_;  // Number of notifications remaining.
 
   DISALLOW_COPY_AND_ASSIGN(WindowedLoadStopObserver);
 };
 
 #endif  // CHROME_BROWSER_UI_LOGIN_LOGIN_HANDLER_TEST_UTILS_H_