Remove mock_ffmpeg and update media unittests.

media/media.gyp

 # Copyright (c) 2011 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,
   },
@@ skipping 424 matching lines @@
         'audio/linux/alsa_output_unittest.cc',
         'audio/mac/audio_output_mac_unittest.cc',
         'audio/simple_sources_unittest.cc',
         'audio/win/audio_output_win_unittest.cc',
         'base/clock_unittest.cc',
         'base/composite_filter_unittest.cc',
         'base/data_buffer_unittest.cc',
         'base/djb2_unittest.cc',
         'base/filter_collection_unittest.cc',
         'base/h264_bitstream_converter_unittest.cc',
-        'base/mock_ffmpeg.cc',
-        'base/mock_ffmpeg.h',
         'base/mock_reader.h',
         'base/mock_task.cc',
         'base/mock_task.h',
         'base/pipeline_impl_unittest.cc',
         'base/pts_heap_unittest.cc',
         'base/pts_stream_unittest.cc',
         'base/run_all_unittests.cc',
         'base/seekable_buffer_unittest.cc',
         'base/state_matrix_unittest.cc',
+        'base/test_data_util.cc',
+        'base/test_data_util.h',
         'base/video_frame_unittest.cc',
         'base/video_util_unittest.cc',
         'base/yuv_convert_unittest.cc',
         'ffmpeg/ffmpeg_common_unittest.cc',
         'filters/adaptive_demuxer_unittest.cc',
         'filters/audio_renderer_algorithm_ola_unittest.cc',
         'filters/audio_renderer_base_unittest.cc',
         'filters/bitstream_converter_unittest.cc',
         'filters/chunk_demuxer_unittest.cc',
         'filters/decoder_base_unittest.cc',
@@ skipping 264 matching lines @@
             'tools/player_x11/gl_video_renderer.h',
             'tools/player_x11/player_x11.cc',
             'tools/player_x11/x11_video_renderer.cc',
             'tools/player_x11/x11_video_renderer.h',
           ],
         },
       ],
     }],
   ],
 }