Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of smcgruer@google.com

WebRtcGetUserMediaBrowserTest.RenderVideoTrackInMultipleTagsAndPause flaky on Linux Tests (dbg)(1)(32)

Builders failed on: 
- Linux Tests (dbg)(1)(32): 
  https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests%20%28dbg%29%281%29%2832%29

Example failure: https://ci.chromium.org/buildbot/chromium.linux/Linux%20Tests%20%28dbg%29%281%29%2832%29/47498
[ RUN      ] WebRtcGetUserMediaBrowserTest.RenderVideoTrackInMultipleTagsAndPause
Xlib:  extension "RANDR" missing on display ":99".
DevTools listening on ws://127.0.0.1:46216/devtools/browser/b8348e32-f365-4554-b9cb-e15f7a62df7b
Fontconfig warning: "/etc/fonts/fonts.conf", line 146: blank doesn't take any effect anymore. please remove it from your fonts.conf
[9720:9720:0118/061130.029248:ERROR:delegated_frame_host.cc(231)] Not implemented reached in void content::DelegatedFrameHost::SetNeedsBeginFrames(bool)
[9720:9720:0118/061131.052415:INFO:CONSOLE(68)] "Looking at video in element video0", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (68)
[9720:9720:0118/061131.059891:INFO:CONSOLE(68)] "Looking at video in element video1", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (68)
[9720:9720:0118/061131.065645:INFO:CONSOLE(68)] "Looking at video in element video2", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (68)
Fontconfig warning: "/etc/fonts/fonts.conf", line 146: blank doesn't take any effect anymore. please remove it from your fonts.conf
[9720:9720:0118/061131.805706:INFO:CONSOLE(94)] "Done looking at video in element video0", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (94)
[9720:9720:0118/061131.806016:INFO:CONSOLE(95)] "DEBUG: video.width = 640", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (95)
[9720:9720:0118/061131.806264:INFO:CONSOLE(96)] "DEBUG: video.height = 480", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (96)
[9720:9720:0118/061131.806493:INFO:CONSOLE(181)] "pause video2", source: http://127.0.0.1:47475/media/getusermedia.html (181)
[9720:9720:0118/061131.866017:INFO:CONSOLE(94)] "Done looking at video in element video1", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (94)
[9720:9720:0118/061131.866297:INFO:CONSOLE(95)] "DEBUG: video.width = 640", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (95)
[9720:9720:0118/061131.866535:INFO:CONSOLE(96)] "DEBUG: video.height = 480", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (96)
[9720:9720:0118/061131.866761:INFO:CONSOLE(181)] "pause video2", source: http://127.0.0.1:47475/media/getusermedia.html (181)
[9720:9720:0118/061134.072067:INFO:CONSOLE(105)] "Still waiting for video to satisfy function isVideoPlaying(pixels, previousPixels) {
  for (var i = 0; i < pixels.length; i++) {
    if (pixels[i] != previousPixels[i]) {
      return true;
    }
  }
  return false;
}", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (105)
[9720:9720:0118/061134.072349:INFO:CONSOLE(107)] "DEBUG: video.width = 640", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (107)
[9720:9720:0118/061134.072584:INFO:CONSOLE(108)] "DEBUG: video.height = 480", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (108)
[9720:9720:0118/061137.272393:INFO:CONSOLE(105)] "Still waiting for video to satisfy function isVideoPlaying(pixels, previousPixels) {
  for (var i = 0; i < pixels.length; i++) {
    if (pixels[i] != previousPixels[i]) {
      return true;
    }
  }
  return false;
}", source: http://127.0.0.1:47475/media/webrtc_test_utilities.js (105)
...
BrowserTestBase received signal: Terminated. Backtrace:

Flaky dashboard:
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=WebRtcGetUserMediaBrowserTest.RenderVideoTrackInMultipleTagsAndPause&testType=viz_content_browsertests