tree ef19f758677ca622980a33e460f3cb4638302ff8
parent b79b74c3fb8a2e648befccd895b0e9f22aa517c6
author John Glassmyer <jogl@google.com> 1430944551 -0700
committer Sergey Prigogin <eclipse.sprigogin@gmail.com> 1450840380 -0800

Prohibit extensions other than non-map message fields and groups.

Change-Id: Ib7d91b5ba5f1d76a92c49952bcc27359c0790978