LatencyInfoSwapPromise 28 cc/base/latency_info_swap_promise.cc LatencyInfoSwapPromise::LatencyInfoSwapPromise(const ui::LatencyInfo& latency) LatencyInfoSwapPromise 32 cc/base/latency_info_swap_promise.cc LatencyInfoSwapPromise::~LatencyInfoSwapPromise() {