Bitrate controller for VideoToolbox Video Encode Accelerator

media/gpu/ipc/media_ipc.gyp

 # Copyright 2016 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.
 
 {
   'targets': [
     {
       # GN version: //media/gpu/ipc/common
       'target_name': 'media_gpu_ipc_common',
       'type': 'static_library',
@@ skipping 81 matching lines @@
       'conditions': [
         ['OS == "win" and target_arch == "x64"', {
           'msvs_settings': {
             'VCCLCompilerTool': {
               'AdditionalOptions': [
                 '/wd4267', # Conversion from 'size_t' to 'type', possible loss of data
               ],
             },
           },
         }],
+        ['OS=="mac"', {
+          'dependencies': [
+            '../../../third_party/webrtc/common_video/common_video.gyp:common_video',
+          ],
+        }],
       ],
     }
   ]
 }