See the bug for how these were built.

The linux binaries were built by thestig@chromium.org.
The windows binary was built by scottmg@chromium.org.
The mac binary was built by thakis@chromium.org

BUG=389683
TBR=maruel@chromium.org

Review URL: https://codereview.chromium.org/357043005

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@280451 0039d316-1c4b-4281-b951-d872f2087c98