Add CdmFileIOProvider interface for use by cdm_adapter

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 452 matching lines @@
         'base/win/mf_initializer.cc',
         'base/win/mf_initializer.h',
         'base/yuv_convert.cc',
         'base/yuv_convert.h',
         'cdm/aes_decryptor.cc',
         'cdm/aes_decryptor.h',
         'cdm/cdm_adapter.cc',
         'cdm/cdm_adapter.h',
         'cdm/cdm_allocator.cc',
         'cdm/cdm_allocator.h',
+        'cdm/cdm_file_io.h',
+        'cdm/cdm_file_io.h',
         'cdm/cdm_helpers.cc',
         'cdm/cdm_helpers.h',
         'cdm/default_cdm_factory.cc',
         'cdm/default_cdm_factory.h',
         'cdm/json_web_key.cc',
         'cdm/json_web_key.h',
         'cdm/key_system_names.cc',
         'cdm/key_system_names.h',
         'cdm/player_tracker_impl.cc',
         'cdm/player_tracker_impl.h',
@@ skipping 1585 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }