Implemented passing media track info from ffmpeg into blink

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 cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 336 matching lines @@
         'base/media_keys.h',
         'base/media_log.cc',
         'base/media_log.h',
         'base/media_log_event.h',
         'base/media_permission.cc',
         'base/media_permission.h',
         'base/media_resources.cc',
         'base/media_resources.h',
         'base/media_switches.cc',
         'base/media_switches.h',
+        'base/media_track.cc',
+        'base/media_track.h',
+        'base/media_tracks.cc',
+        'base/media_tracks.h',
         'base/media_util.cc',
         'base/media_util.h',
         'base/mime_util.cc',
         'base/mime_util.h',
         'base/mime_util_internal.cc',
         'base/mime_util_internal.h',
         'base/moving_average.cc',
         'base/moving_average.h',
         'base/multi_channel_resampler.cc',
         'base/multi_channel_resampler.h',
@@ skipping 1814 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }