AutoTryLock        28 content/renderer/media/webaudiosourceprovider_impl.cc   explicit AutoTryLock(base::Lock& lock)
AutoTryLock        44 content/renderer/media/webaudiosourceprovider_impl.cc   DISALLOW_COPY_AND_ASSIGN(AutoTryLock);
AutoTryLock       106 content/renderer/media/webaudiosourceprovider_impl.cc   AutoTryLock auto_try_lock(sink_lock_);