Automated IWYU fix for TaskRunner includes.

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"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/test_timeouts.h"
 #include "remoting/base/constants.h"
 #include "remoting/proto/event.pb.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/clipboard/clipboard.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 
@@ skipping 101 matching lines @@
       FROM_HERE, base::Bind(&ClipboardAuraTest_MonitorClipboardChanges_Test::
                                 StopAndResetClipboard,
                             base::Unretained(this)),
       TestTimeouts::tiny_timeout());
   message_loop_.task_runner()->PostDelayedTask(
       FROM_HERE, run_loop.QuitClosure(), TestTimeouts::tiny_timeout());
   run_loop.Run();
 }
 
 }  // namespace remoting