Remove calls to deprecated MessageLoop methods in remoting.

remoting/host/chromeos/clipboard_aura_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 "remoting/host/chromeos/clipboard_aura.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 102 matching lines @@
     // |clipboard_writer| will write to the clipboard when it goes out of scope.
     ui::ScopedClipboardWriter clipboard_writer(ui::CLIPBOARD_TYPE_COPY_PASTE);
     clipboard_writer.WriteText(base::UTF8ToUTF16("Test data."));
   }
 
   EXPECT_CALL(*client_clipboard_,
               InjectClipboardEvent(Property(&protocol::ClipboardEvent::data,
                                             Eq("Test data.")))).Times(1);
 
   base::RunLoop run_loop;
-  message_loop_.PostDelayedTask(
+  message_loop_.task_runner()->PostDelayedTask(
       FROM_HERE, base::Bind(&ClipboardAuraTest_MonitorClipboardChanges_Test::
                                 StopAndResetClipboard,
                             base::Unretained(this)),
       TestTimeouts::tiny_timeout());
-  message_loop_.PostDelayedTask(FROM_HERE, run_loop.QuitClosure(),
-                                TestTimeouts::tiny_timeout());
+  message_loop_.task_runner()->PostDelayedTask(
+      FROM_HERE, run_loop.QuitClosure(), TestTimeouts::tiny_timeout());
   run_loop.Run();
 }
 
 }  // namespace remoting