Add missing macros includes in media/.

media/capture/video/mac/video_capture_device_factory_mac.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.
 
 // Implementation of a VideoCaptureDeviceFactory class for Mac.
 
 #ifndef MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_MAC_H_
 #define MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_MAC_H_
 
+#include "base/macros.h"
 #include "media/capture/video/video_capture_device_factory.h"
 
 namespace media {
 
 // Extension of VideoCaptureDeviceFactory to create and manipulate Mac devices.
 class MEDIA_EXPORT VideoCaptureDeviceFactoryMac
     : public VideoCaptureDeviceFactory {
  public:
   explicit VideoCaptureDeviceFactoryMac(
       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
@@ skipping 11 matching lines @@
  private:
   // Cache of |ui_task_runner| for enumerating devices there for QTKit.
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceFactoryMac);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_FACTORY_MAC_H_