GitLab

Now that we use RecvMsgWithPid to find the PIDs for zygote children,
we no longer need to plumb the chrome-sandbox path down into and
through the renderer host code.

BUG=357670
NOTRY=true

Review URL: https://codereview.chromium.org/276763002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269530 0039d316-1c4b-4281-b951-d872f2087c98