Add missing macros includes in media/.

media/base/mac/corevideo_glue.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_BASE_MAC_COREVIDEO_GLUE_H_
 #define MEDIA_BASE_MAC_COREVIDEO_GLUE_H_
 
+#include "base/macros.h"
 #include "media/base/media_export.h"
 
 // Although CoreVideo exists in 10.6, not all of its types and functions were
 // introduced in that release. Clients can use this class to access types,
 // constants and functions not available in 10.6.
 class MEDIA_EXPORT CoreVideoGlue {
  public:
   // Originally from CVPixelBuffer.h
   enum {
     kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange = '420v',
   };
   typedef struct CVPlanarPixelBufferInfo_YCbCrPlanar
       CVPlanarPixelBufferInfo_YCbCrPlanar;
   struct CVPlanarPixelBufferInfo_YCbCrBiPlanar {
     CVPlanarComponentInfo componentInfoY;
     CVPlanarComponentInfo componentInfoCbCr;
   };
   typedef struct CVPlanarPixelBufferInfo_YCbCrBiPlanar
       CVPlanarPixelBufferInfo_YCbCrBiPlanar;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(CoreVideoGlue);
 };
 
 #endif  // MEDIA_BASE_MAC_COREVIDEO_GLUE_H_