662b306bae
Use PendingTaskSafetyFlag for safe Stop. Followup to https://webrtc-review.googlesource.com/c/src/+/209181. Also fix rtc::scoped_refptr to work with RTC_PT_GUARDED_BY. Bug: webrtc:12339 Change-Id: Ic0e3ecb17049f1a0e6af887ba5f97a5b48a32d98 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/211351 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Jonas Oreland <jonaso@webrtc.org> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Reviewed-by: Taylor <deadbeef@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33447}