media: Add MediaPermission interface and MediaPermissionDispatcher.

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 307 matching lines @@
         'base/media_client.cc',
         'base/media_client.h',
         'base/media_file_checker.cc',
         'base/media_file_checker.h',
         'base/media_keys.cc',
         'base/media_keys.h',
         'base/media_log.cc',
         'base/media_log.h',
         'base/media_log_event.h',
         'base/media_posix.cc',
+        'base/media_permission.cc',
+        'base/media_permission.h',
         'base/media_switches.cc',
         'base/media_switches.h',
         'base/media_win.cc',
         'base/multi_channel_resampler.cc',
         'base/multi_channel_resampler.h',
         'base/pipeline.cc',
         'base/pipeline.h',
         'base/pipeline_status.h',
         'base/player_tracker.cc',
         'base/player_tracker.h',
@@ skipping 1582 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'media_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }