This will allow ANGLE to have a recursible deps-file in their repo instead of
relying on chromium's DEPS file to specify an accurate dependency for itself.
R=agable@chromium.org, jmadill@chromium.org
BUG=
Review-Url: https://codereview.chromium.org/1919103003
git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@300293 0039d316-1c4b-4281-b951-d872f2087c98