Reland of aise gyp/GN failure if proprietary_codecs=1 and ffmpeg_branding=Chromium (patchset #1 id:1 of https://codereview.chromium.org/2260523002/ )

Reason for revert:
Should be fixed by https://codereview.chromium.org/2260893002

Original issue's description:
> Revert of Raise gyp/GN failure if proprietary_codecs=1 and ffmpeg_branding=Chromium (patchset #2 id:20001 of https://codereview.chromium.org/1569053002/ )
>
> Reason for revert:
> Failures on https://build.chromium.org/p/chromium.fyi/buildslaves/slave43-c1
>
> Original issue's description:
> > Raise gyp/GN failure if proprietary_codecs=1 and ffmpeg_branding=Chromium
> >
> > Otherwise Chromium claims supporting video/mp4 and fails to play some
> > YouTube video without falling back to video/webm even if supported by
> > the server.
> >
> > BUG=571417
> >
> > R=jrummell@chromium.org
> >
> > Committed: https://crrev.com/8f897728330ab4afe8c449001386756a9895bcf7
> > Cr-Commit-Position: refs/heads/master@{#412760}
>
> TBR=dalecurtis@chromium.org,jrummell@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=571417
>
> Committed: https://crrev.com/208cb0cd3a4126cca32286ee9afbb7597bf03e08
> Cr-Commit-Position: refs/heads/master@{#412831}

TBR=jrummell@chromium.org,inferno@chromium.org,j.isorce@samsung.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=571417

Review-Url: https://codereview.chromium.org/2260573004
Cr-Commit-Position: refs/heads/master@{#413296}
1 file changed