It may help when the directory is created at high integrity level.
This hypothesis is unconfirmed.

TBR=iannucci@chromium.org
BUG=241769,314257

Review URL: https://codereview.chromium.org/72803002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@235149 0039d316-1c4b-4281-b951-d872f2087c98