Reland: H264 HW encode using VideoToolbox

build/gn_migration.gypi

 # Copyright (c) 2015 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.
 
 # This file defines five targets that we are using to track the progress of the
 # GYP->GN migration:
 #
 # 'both_gn_and_gyp' lists what GN is currently capable of building and should
 # match the 'both_gn_and_gyp' target in //BUILD.gn.
 #
@@ skipping 664 matching lines @@
             '../third_party/boringssl/boringssl_tests.gyp:boringssl_example_mul',
             '../third_party/boringssl/boringssl_tests.gyp:boringssl_ec_test',
             '../third_party/boringssl/boringssl_tests.gyp:boringssl_bio_test',
             '../third_party/boringssl/boringssl_tests.gyp:boringssl_pkcs7_test',
             '../third_party/boringssl/boringssl_tests.gyp:boringssl_unittests',
           ],
         }],
         ['chromeos==1', {
           'dependencies': [
             '../content/content_shell_and_tests.gyp:jpeg_decode_accelerator_unittest',
+          ],
+        }],
+        ['chromeos==1 or OS=="mac"', {
+          'dependencies': [
             '../content/content_shell_and_tests.gyp:video_encode_accelerator_unittest',
           ],
         }],
         ['chromeos==1 and target_arch != "arm"', {
           'dependencies': [
             '../content/content_shell_and_tests.gyp:vaapi_jpeg_decoder_unittest',
           ],
         }],
         ['chromeos==1 or OS=="win" or OS=="android"', {
           'dependencies': [
@@ skipping 84 matching lines @@
         }],
         ['OS=="android" and target_arch != "x64"', {
           'dependencies': [
             '../third_party/android_platform/relocation_packer.gyp:android_relocation_packer_unittests#host'
           ],
         }],
       ],
     },
   ]
 }