GTTF: Extract a function to launch child gtest process.

This will make it possible to make unit test launcher
launch child gtest processes.

BUG=236893
R=sky@chromium.org

Review URL: https://codereview.chromium.org/17379024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@208264 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: aa32edaecd81d77437235ece80f859e6674deb69
2 files changed
tree: e5f83ac7483e4af598f80c90d153e08f9ba17f23
  1. base/
  2. build/
  3. dbus/
  4. ipc/
  5. testing/
  6. third_party/