LatencyInfoCallback  594 content/common/gpu/gpu_command_buffer_stub.cc     const LatencyInfoCallback& callback) {
LatencyInfoCallback  143 content/common/gpu/gpu_command_buffer_stub.h   void SetLatencyInfoCallback(const LatencyInfoCallback& callback);
LatencyInfoCallback  267 content/common/gpu/gpu_command_buffer_stub.h   LatencyInfoCallback latency_info_callback_;