Fixed GetSupportedMimeTypes.

TBR=noamsml

Review URL: https://codereview.chromium.org/152493004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249978 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249978
Enable DefaultPopupSetting policy on Android.

BUG=340704

Review URL: https://codereview.chromium.org/131643006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249979 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249979