[SiteChip] Special case handling and malware handling for the site chip experiment.

BUG=315944

Review URL: https://codereview.chromium.org/92163003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240304 0039d316-1c4b-4281-b951-d872f2087c98
Blacklist samsung galaxy S2 from calling MediaMetadataRetriever

There is a bug that calling MediaMetadataRetriever on SGS2 will result in a crash in media server process.
By passing the MediaMetadataRetriever for SGS2

BUG=327760

Review URL: https://codereview.chromium.org/107523005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240305 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240305