DoBufferDestroyedOnIOThread  520 content/browser/renderer_host/media/video_capture_controller.cc         base::Bind(&VideoCaptureController::DoBufferDestroyedOnIOThread,
DoBufferDestroyedOnIOThread  127 content/browser/renderer_host/media/video_capture_controller.h   void DoBufferDestroyedOnIOThread(int buffer_id_to_drop);