Fixing memory leak in FakeTransportController.

Fixing memory leak in FakeTransportController.

Introduced by: https://codereview.webrtc.org/2641633002/
Only occurs with test code.

BUG=webrtc:6972
TBR=pthatcher@webrtc.org

Review-Url: https://codereview.webrtc.org/2648093002
Cr-Commit-Position: refs/heads/master@{#16200}
Committed: https://chromium.googlesource.com/external/webrtc/+/3e4faae0edeb2b30e899712f92217d2aa5cd6ff2

[Taylor Brandstetter, 2017-01-21 05:59:14]

The CQ bit was checked by deadbeef@webrtc.org

[commit-bot: I haz the power, 2017-01-21 05:59:27]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-01-21 06:43:35]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484978354039710, "parent_rev":
"8662f940230bb0f8989ddc993488cde3a9c5b76a", "commit_rev":
"3e4faae0edeb2b30e899712f92217d2aa5cd6ff2"}

[commit-bot: I haz the power, 2017-01-21 06:43:37]

Description was changed from

==========
Fixing memory leak in FakeTransportController.

Introduced by: https://codereview.webrtc.org/2641633002/
Only occurs with test code.

BUG=webrtc:6972
TBR=pthatcher@webrtc.org
==========

to

==========
Fixing memory leak in FakeTransportController.

Introduced by: https://codereview.webrtc.org/2641633002/
Only occurs with test code.

BUG=webrtc:6972
TBR=pthatcher@webrtc.org

Review-Url: https://codereview.webrtc.org/2648093002
Cr-Commit-Position: refs/heads/master@{#16200}
Committed:
https://chromium.googlesource.com/external/webrtc/+/3e4faae0edeb2b30e899712f9...
==========

[commit-bot: I haz the power, 2017-01-21 06:43:38]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/3e4faae0edeb2b30e899712f9...