[webkit-reviews] review requested: [Bug 136958] [MSE][Mac] work around AVSampleBufferRenderSynchronizer early callbacks : [Attachment 238387] Rebased patch

[bugzilla-daemon at webkit.org]

Eric Carlson <eric.carlson at apple.com> has asked  for review:
Bug 136958: [MSE][Mac] work around AVSampleBufferRenderSynchronizer early
callbacks
https://bugs.webkit.org/show_bug.cgi?id=136958

Attachment 238387: Rebased patch
https://bugs.webkit.org/attachment.cgi?id=238387&action=review