Add Common Encryption support to BMFF, including subsample decryption.

media/media.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Override to dynamically link the PulseAudio library.
     'use_pulseaudio%': 0,
     # Override to dynamically link the cras (ChromeOS audio) library.
@@ skipping 763 matching lines @@
           ],
         }],
         ['proprietary_codecs==1 or branding=="Chrome"', {
           'sources': [
             'mp4/aac_unittest.cc',
             'mp4/avc_unittest.cc',
             'mp4/box_reader_unittest.cc',
             'mp4/es_descriptor_unittest.cc',
             'mp4/mp4_stream_parser_unittest.cc',
             'mp4/offset_byte_queue_unittest.cc',
+            'mp4/track_run_iterator_unittest.cc',
           ],
         }],
       ],
     },
     {
       'target_name': 'media_test_support',
       'type': 'static_library',
       'dependencies': [
         'media',
         '../base/base.gyp:base',
@@ skipping 319 matching lines @@
             '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
           ],
           'sources': [
             'tools/media_bench/media_bench.cc',
           ],
         },
       ],
     }]
   ],
 }