GitLab

The API is very simple at this point but works end-to-end.

BUG=None
TEST=VideoCapture sample (in a later CL)


Review URL: http://codereview.chromium.org/7553003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@95719 0039d316-1c4b-4281-b951-d872f2087c98