mojo: shell::Context should outlive the shell MessageLoop

mojo/services/public/cpp/view_manager/tests/view_manager_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 "mojo/services/public/cpp/view_manager/view_manager.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "mojo/public/cpp/application/application_connection.h"
@@ skipping 374 matching lines @@
 
   void RunRunLoop() {
     base::RunLoop run_loop;
     connect_loop_ = &run_loop;
     connect_loop_->Run();
     connect_loop_ = NULL;
   }
 
   base::RunLoop* connect_loop_;
   shell::ShellTestHelper test_helper_;
-  base::MessageLoop loop_;
   ViewManagerInitServicePtr view_manager_init_;
   // Used to receive the most recent view manager loaded by an embed action.
   ViewManager* loaded_view_manager_;
   // The View Manager connection held by the window manager (app running at the
   // root node).
   ViewManager* window_manager_;
   int commit_count_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewManagerTest);
 };
@@ skipping 264 matching lines @@
 
 // TODO(beng): tests for view event dispatcher.
 // - verify that we see events for all views.
 
 // TODO(beng): tests for focus:
 // - focus between two nodes known to a connection
 // - focus between nodes unknown to one of the connections.
 // - focus between nodes unknown to either connection.
 
 }  // namespace mojo