Revert of Switch WindowedNotificationObserver to use base::RunLoop.

chrome/browser/chromeos/login/login_manager_test.cc

 // Copyright 2013 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/browser/chromeos/login/login_manager_test.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 183 matching lines @@
     if ((*it)->GetAccountId() == user_context.GetAccountId())
       return true;
   }
   return false;
 }
 
 void LoginManagerTest::LoginUser(const std::string& user_id) {
   const UserContext user_context = CreateUserContext(user_id);
   SetExpectedCredentials(user_context);
   EXPECT_TRUE(TryToLogin(user_context));
-  // Let LoginDisplayHostImpl delete itself.
-  content::RunAllPendingInMessageLoop();
 }
 
 void LoginManagerTest::AddUser(const std::string& user_id) {
   const UserContext user_context = CreateUserContext(user_id);
   SetExpectedCredentials(user_context);
   EXPECT_TRUE(AddUserToSession(user_context));
 }
 
 // static
 std::string LoginManagerTest::GetGaiaIDForUserID(const std::string& user_id) {
   return "gaia-id-" + user_id;
 }
 
 void LoginManagerTest::JSExpect(const std::string& expression) {
   js_checker_.ExpectTrue(expression);
 }
 
 void LoginManagerTest::InitializeWebContents() {
   LoginDisplayHost* host = LoginDisplayHost::default_host();
   EXPECT_TRUE(host != NULL);
 
   content::WebContents* web_contents =
       host->GetWebUILoginView()->GetWebContents();
   EXPECT_TRUE(web_contents != NULL);
   set_web_contents(web_contents);
   js_checker_.set_web_contents(web_contents);
 }
 
 }  // namespace chromeos