- Fix gclient revert/status when one of the dependency directory is deleted.
- Remove an unneeded svn update after svn checkout.
- Updated tests.
Review URL: http://codereview.chromium.org/100256

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@15068 0039d316-1c4b-4281-b951-d872f2087c98