Peter Boström 9e1b992f74 Clear old decoders after recreating the receiver.
Prevents UAF when switching decoder capabilities and the
previously-supported decoder is currently being received on.

BUG=chromium:565967
R=stefan@webrtc.org

Review URL: https://codereview.webrtc.org/1490233010 .

Cr-Commit-Position: refs/heads/master@{#10898}
2015-12-04 15:34:17 +00:00
..
2015-10-27 11:08:19 +00:00