Tested with the following command lines:

$ cd somewhere
$ mkdir some-test-dir
$ cd some-test-dir
$ fetch skia
$ cd skia
 # confirm it is what we expected.

BUG=None
TEST=see above
R=agable@chromium.org

Review URL: https://codereview.chromium.org/746363003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@293135 0039d316-1c4b-4281-b951-d872f2087c98