Use ScopedTaskEnvironment instead of MessageLoopForUI in remoting tests.

remoting/test/it2me_standalone_host.h

 // Copyright 2016 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 REMOTING_TEST_IT2ME_STANDALONE_HOST_H_
 #define REMOTING_TEST_IT2ME_STANDALONE_HOST_H_
 
 #include <memory>
 #include <string>
 
 #include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/test/scoped_task_environment.h"
 #include "base/timer/timer.h"
 #include "remoting/host/host_mock_objects.h"
 #include "remoting/host/it2me_desktop_environment.h"
 #include "remoting/protocol/fake_connection_to_client.h"
 #include "remoting/test/fake_connection_event_logger.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace remoting {
 class ChromotingHostContext;
 class ClientSession;
@@ skipping 12 matching lines @@
   ~It2MeStandaloneHost();
 
   // Block current thread forever.
   void Run();
 
   void StartOutputTimer();
 
  private:
   void Connect();
 
-  base::MessageLoopForUI message_loop_;
+  base::test::ScopedTaskEnvironment scoped_task_environment_;

[gab, 2017/04/28 01:34:44]

ditto
https://codereview.chromium.org/2849603003/diff/60001/ui/aura/mus/os_exchange...

[fdoray, 2017/04/28 13:25:26]

No. Compiler complains that there is no assignment operator.

   base::RunLoop run_loop_;
   std::unique_ptr<ChromotingHostContext> context_;
   scoped_refptr<AutoThreadTaskRunner> main_task_runner_;
   It2MeDesktopEnvironmentFactory factory_;
   protocol::FakeConnectionToClient connection_;
   std::string session_jid_;
   std::unique_ptr<protocol::SessionConfig> config_;
   FakeConnectionEventLogger event_logger_;
   testing::NiceMock<MockClientSessionEventHandler> handler_;
   std::unique_ptr<ClientSession> session_;
   base::RepeatingTimer timer_;
 };
 
 }  // namespace test
 }  // namespace remoting
 
 #endif  // REMOTING_TEST_IT2ME_STANDALONE_HOST_H_