RegisterAsyncWaiter  107 content/renderer/media/rtc_video_encoder.cc   void RegisterAsyncWaiter(base::WaitableEvent* waiter, int32_t* retval);
RegisterAsyncWaiter  186 content/renderer/media/rtc_video_encoder.cc   RegisterAsyncWaiter(async_waiter, async_retval);
RegisterAsyncWaiter  218 content/renderer/media/rtc_video_encoder.cc   RegisterAsyncWaiter(async_waiter, async_retval);