Roll WebRTC from 258ed1a38ad9 to 4ad09762daa9 (2 revisions)

https://webrtc.googlesource.com/src.git/+log/258ed1a38ad9..4ad09762daa9

2021-12-02 [email protected] Delete legacy RtpPacketSendInfo::ssrc field
2021-12-02 [email protected] Return kSampleUnderrun if the number of samples does not fit in an AudioFrame.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/webrtc-chromium-autoroll
Please CC [email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in WebRTC: https://bugs.chromium.org/p/webrtc/issues/entry
To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: chromium:1265806
Tbr: [email protected]
Change-Id: I2e9bb531dbc0930fca14c07b01136a19c23eaac6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3313192
Commit-Queue: chromium-autoroll <[email protected]>
Bot-Commit: chromium-autoroll <[email protected]>
Cr-Commit-Position: refs/heads/main@{#947480}
diff --git a/DEPS b/DEPS
index edd8dbe0..59a07552 100644
--- a/DEPS
+++ b/DEPS
@@ -1634,7 +1634,7 @@
     Var('chromium_git') + '/external/github.com/gpuweb/cts.git' + '@' + '770facab6251abd3a78c7685b6ca4200c0a49f81',
 
   'src/third_party/webrtc':
-    Var('webrtc_git') + '/src.git' + '@' + '258ed1a38ad9d4f0da798c40b6976eff2dce864f',
+    Var('webrtc_git') + '/src.git' + '@' + '4ad09762daa973d289c5414aeb86bc51ddc51270',
 
   'src/third_party/libgifcodec':
      Var('skia_git') + '/libgifcodec' + '@'+  Var('libgifcodec_revision'),