This tool has been quite useful noticing errors in the past and I'd have avoided a breakage in r58936 if I had run it.

Had to fix a few scripts first.

BUG=none
TEST=new test

Review URL: http://codereview.chromium.org/3337018

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@59107 0039d316-1c4b-4281-b951-d872f2087c98