Add missing macros includes in media/.

media/cast/test/fake_single_thread_task_runner.h

 // 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.
 
 #ifndef MEDIA_CAST_TEST_FAKE_TASK_RUNNER_H_
 #define MEDIA_CAST_TEST_FAKE_TASK_RUNNER_H_
 
 #include <map>
 
+#include "base/macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/test/test_pending_task.h"
 
 namespace media {
 namespace cast {
 namespace test {
 
 typedef base::TestPendingTask PostedTask;
 
@@ skipping 27 matching lines @@
   bool fail_on_next_task_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeSingleThreadTaskRunner);
 };
 
 }  // namespace test
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_TEST_FAKE_TASK_RUNNER_H_