Reason for revert:
CQ rejects all chromium projects because of this change.

Original issue's description:
> use canonical base URL for projects
> 
> BUG=372645
> R=iannucci@chromium.org, sergeyberezin@chromium.org
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=270460

TBR=iannucci@chromium.org,sergeyberezin@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=372645

Review URL: https://codereview.chromium.org/287063002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@270803 0039d316-1c4b-4281-b951-d872f2087c98