mac: Remove more media/base/mac glue unneeded now that we target 10.9

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_