Revert 264803 "Revert 264763 "Wire up codec_delay() to MP3Stream..."

> Revert 264763 "Wire up codec_delay() to MP3StreamParser and FFmp..."
> 
> Possible candidate for broken media_unittests:
> 
> http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/30043/steps/media_unittests/logs/MediaSource_MP3_TimestampOffset_0
> 
> > Wire up codec_delay() to MP3StreamParser and FFmpegAudioDecoder.
> > 
> > Allows us to drop silent samples from the decoder after initialization
> > and resets.
> > 
> > codec_delay() is always in frames, so I've changed all call sites to use
> > frames instead of a TimeDelta.
> > 
> > Coincidentally also fixes an issue where not enough data was dropped from
> > Vorbis buffers with negative timestamps.
> > 
> > BUG=360961
> > TEST=new pipeline_integration_test
> > 
> > Review URL: https://codereview.chromium.org/239423005
> 
> TBR=dalecurtis@chromium.org
> 
> Review URL: https://codereview.chromium.org/242203006

TBR=rockot@chromium.org

Review URL: https://codereview.chromium.org/243653002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@264834 0039d316-1c4b-4281-b951-d872f2087c98

• media/base/audio_decoder_config.cc[diff]
• media/base/audio_decoder_config.h[diff]
• media/ffmpeg/ffmpeg_common.cc[diff]
• media/filters/decrypting_audio_decoder_unittest.cc[diff]
• media/filters/decrypting_demuxer_stream.cc[diff]
• media/filters/ffmpeg_audio_decoder.cc[diff]
• media/filters/opus_audio_decoder.cc[diff]
• media/filters/opus_audio_decoder.h[diff]
• media/filters/pipeline_integration_test.cc[diff]
• media/formats/mp4/mp4_stream_parser.cc[diff]
• media/formats/mpeg/adts_stream_parser.cc[diff]
• media/formats/mpeg/mp3_stream_parser.cc[diff]
• media/formats/mpeg/mp3_stream_parser_unittest.cc[diff]
• media/formats/mpeg/mpeg_audio_stream_parser_base.cc[diff]
• media/formats/mpeg/mpeg_audio_stream_parser_base.h[diff]
• media/formats/webm/webm_audio_client.cc[diff]