Add missing macros includes in media/.

media/capture/content/screen_capture_device_core.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_CAPTURE_SCREEN_CAPTURE_DEVICE_CORE_H_
 #define MEDIA_CAPTURE_SCREEN_CAPTURE_DEVICE_CORE_H_
 
 #include <string>
 
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "media/base/media_export.h"
 #include "media/capture/content/thread_safe_capture_oracle.h"
 #include "media/capture/video/video_capture_device.h"
 
 namespace tracked_objects {
 class Location;
 }  // namespace tracked_objects
@@ skipping 79 matching lines @@
   // capture pipeline. Besides the VideoCaptureDevice itself, it is the only
   // component of the system with direct access to |client_|.
   scoped_refptr<ThreadSafeCaptureOracle> oracle_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenCaptureDeviceCore);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CAPTURE_SCREEN_CAPTURE_DEVICE_CORE_H_