Add CoreVideoFrameBuffer.

webrtc/common_video/common_video.gyp

 # Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': ['../build/common.gypi'],
@@ skipping 19 matching lines @@
       'conditions': [
         ['build_libyuv==1', {
           'dependencies': ['<(DEPTH)/third_party/libyuv/libyuv.gyp:libyuv',],
           'export_dependent_settings': [
             '<(DEPTH)/third_party/libyuv/libyuv.gyp:libyuv',
           ],
         }, {
           # Need to add a directory normally exported by libyuv.gyp.
           'include_dirs': ['<(libyuv_dir)/include',],
         }],
+        ['OS=="ios" or OS=="mac"', {
+          'link_settings': {
+            'xcode_settings': {
+              'OTHER_LDFLAGS': [
+                '-framework CoreVideo',
+              ],
+            },
+          },
+        }],
       ],
       'sources': [
         'i420_buffer_pool.cc',
         'video_frame.cc',
         'incoming_video_stream.cc',
         'include/i420_buffer_pool.h',
         'include/incoming_video_stream.h',
         'include/video_frame_buffer.h',
         'libyuv/include/scaler.h',
         'libyuv/include/webrtc_libyuv.h',
         'libyuv/scaler.cc',
         'libyuv/webrtc_libyuv.cc',
         'video_frame_buffer.cc',
         'video_render_frames.cc',
         'video_render_frames.h',
       ],
     },
   ],  # targets
 }