honghaiz 9dfed79f3f Stop processing any incoming packets when turn port is disconnected.
If it still handle packets, when a ping arrives, it will pass the packet to p2ptransportchannel, eventually causing an ASSERT error there (when p2ptransportchannel tries to create a connection from the ping request from unknown address).

BUG=

Review URL: https://codereview.webrtc.org/1649493006

Cr-Commit-Position: refs/heads/master@{#11430}
2016-01-29 21:22:36 +00:00
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2016-01-18 23:24:36 +00:00
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