nisse e643c59333 Delete left-over SignalRenderFrame signal.
Unused and unneeded since https://codereview.webrtc.org/1819103003.

BUG=webrtc:5426

Review-Url: https://codereview.webrtc.org/2385553003
Cr-Commit-Position: refs/heads/master@{#14515}
2016-10-05 07:14:02 +00:00
..
2016-09-29 00:42:08 +00:00
2016-05-12 06:11:09 +00:00
2016-08-23 12:50:20 +00:00
2016-08-23 12:50:20 +00:00