Add missing macros includes in media/.

media/capture/video/linux/video_capture_device_linux.h

 // Copyright (c) 2012 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.
 
 // Linux specific implementation of VideoCaptureDevice.
 // V4L2 is used for capturing. V4L2 does not provide its own thread for
 // capturing so this implementation uses a Chromium thread for fetching frames
 // from V4L2.
 
 #ifndef MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_
 #define MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_
 
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
+#include "base/macros.h"
 #include "base/threading/thread.h"
 #include "media/base/video_capture_types.h"
 #include "media/capture/video/video_capture_device.h"
 
 namespace media {
 
 class V4L2CaptureDelegate;
 
 // Linux V4L2 implementation of VideoCaptureDevice.
 class VideoCaptureDeviceLinux : public VideoCaptureDevice {
@@ skipping 23 matching lines @@
   base::Thread v4l2_thread_;  // Thread used for reading data from the device.
 
   const Name device_name_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceLinux);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_LINUX_H_