Revert 250730 "Introduce ADTSStreamParser. Factorize MP3StreamPa..."

Causing compile failure on mac: http://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Mac/builds/16420/steps/compile/logs/stdio

> Introduce ADTSStreamParser. Factorize MP3StreamParser and tests.
> 
> Factorizes MP3StreamParser into MPEGAudioStreamParserBase for reuse
> with a new ADTSStreamParser.  In the process, also factorizes the
> MP3StreamParserTest into a new test helper StreamParserTest for
> reuse with the ADTSStreamParserTest.
> 
> Introduces an adts_constants.{cc,h} to remove duplicate constants
> across the AAC and ES ADTS parsers.  Fixes a channel layout bug in
> the AAC parser.
> 
> sfx.adts test file will be landed manually in a separate change.
> 
> BUG=341648,340426
> TEST=new unittests pass!
> 
> Review URL: https://codereview.chromium.org/120503006

TBR=dalecurtis@chromium.org

Review URL: https://codereview.chromium.org/160593002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@250736 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 250736