Clear old decoders after recreating the receiver.

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

Committed: https://chromium.googlesource.com/external/webrtc/+/9e1b992f74470aecfeb216e26b455982ddc4a6d5

[pbos-webrtc, 2015-12-04 15:27:21]

PTAL

[stefan-webrtc, 2015-12-04 15:31:33]

Please add a test.

[stefan-webrtc, 2015-12-04 15:33:40]

lgtm

[commit-bot: I haz the power, 2015-12-04 15:34:20]

Description was changed from

==========
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
==========

to

==========
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

Committed: https://crrev.com/9e1b992f74470aecfeb216e26b455982ddc4a6d5
Cr-Commit-Position: refs/heads/master@{#10898}
==========

[commit-bot: I haz the power, 2015-12-04 15:34:20]

Patchset 1 (id:??) landed as
https://crrev.com/9e1b992f74470aecfeb216e26b455982ddc4a6d5
Cr-Commit-Position: refs/heads/master@{#10898}

[pbos-webrtc, 2015-12-04 15:34:21]

Description was changed from

==========
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

Committed: https://crrev.com/9e1b992f74470aecfeb216e26b455982ddc4a6d5
Cr-Commit-Position: refs/heads/master@{#10898}
==========

to

==========
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

Committed:
https://chromium.googlesource.com/external/webrtc/+/9e1b992f74470aecfeb216e26...
==========

[pbos-webrtc, 2015-12-04 15:34:22]

Committed patchset #1 (id:1) manually as
9e1b992f74470aecfeb216e26b455982ddc4a6d5 (presubmit successful).