mojo: shell::Context should outlive the shell MessageLoop

mojo/services/window_manager/window_manager_api_unittest.cc

 // 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.
 
 #include "base/bind.h"
 #include "base/memory/scoped_vector.h"
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/service_manager/service_manager.h"
 #include "mojo/services/public/cpp/view_manager/node.h"
@@ skipping 251 matching lines @@
                              base::RunLoop* run_loop,
                              Id old_focused_node_id,
                              Id new_focused_node_id) {
     DCHECK(old_and_new);
     old_and_new->first = old_focused_node_id;
     old_and_new->second = new_focused_node_id;
     run_loop->Quit();
   }
 
   shell::ShellTestHelper test_helper_;
-  base::MessageLoop loop_;
   ViewManagerInitServicePtr view_manager_init_;
   scoped_ptr<TestWindowManagerClient> window_manager_client_;
   TestServiceLoader::RootAddedCallback root_added_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerApiTest);
 };
 
 TEST_F(WindowManagerApiTest, OpenWindow) {
   OpenWindow(window_manager_.get());
   Id created_node =
@@ skipping 12 matching lines @@
 
   Id second_window = OpenWindow(window_manager_.get());
   window_manager_->ActivateWindow(second_window,
                                   base::Bind(&EmptyResultCallback));
   ids = WaitForActiveWindowChange();
   EXPECT_EQ(ids.first, first_window);
   EXPECT_EQ(ids.second, second_window);
 }
 
 }  // namespace mojo