Add media file validation to utility process

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 243 matching lines @@
         'base/demuxer.cc',
         'base/demuxer.h',
         'base/demuxer_stream.cc',
         'base/demuxer_stream.h',
         'base/djb2.cc',
         'base/djb2.h',
         'base/filter_collection.cc',
         'base/filter_collection.h',
         'base/media.cc',
         'base/media.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_switches.cc',
         'base/media_switches.h',
         'base/media_win.cc',
         'base/multi_channel_resampler.cc',
@@ skipping 185 matching lines @@
         }],
         ['media_use_ffmpeg==1', {
           'dependencies': [
             '../third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
           ],
         }, {  # media_use_ffmpeg==0
           # Exclude the sources that depend on ffmpeg.
           'sources!': [
             'base/container_names.cc',
             'base/container_names.h',
+            'base/media_file_checker.cc',
+            'base/media_file_checker.h',
             'base/media_posix.cc',
             'ffmpeg/ffmpeg_common.cc',
             'ffmpeg/ffmpeg_common.h',
             'filters/audio_file_reader.cc',
             'filters/audio_file_reader.h',
             'filters/blocking_url_protocol.cc',
             'filters/blocking_url_protocol.h',
             'filters/ffmpeg_audio_decoder.cc',
             'filters/ffmpeg_audio_decoder.h',
             'filters/ffmpeg_demuxer.cc',
@@ skipping 1151 matching lines @@
           'sources': [
             'tools/media_bench/media_bench.cc',
           ],
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [ 4267, ],
         },
       ],
     }],
   ],
 }