Add MutexTryLocker in AudioBufferSourceHandler::PropagateSilence()
The access to |shared_buffer_| in AudioBufferSourceHandler needs to be controlled by |process_lock_|. This CL adds one into PropagateSilence() method. Bug: 1167472 Test: ToT crashes with the repro case, but it doesn't with this patch. Change-Id: I52f95d52889c9b809507c88a16c61f0e85b36f3b Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2638097 Commit-Queue: Hongchan Choi <hongchan@chromium.org> Reviewed-by:Raymond Toy <rtoy@chromium.org> Cr-Commit-Position: refs/heads/master@{#845334}
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