Moved FFmpegDemuxer tests into the same anonymous namespace as FFmpegDemuxerTest.
Moved FFmpegDemuxer tests into the same anonymous namespace as FFmpegDemuxerTest.

Quick fix to prevent warnings on Mac.

TBR=ajwong

Review URL: http://codereview.chromium.org/113132

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@15603 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser