RAPTOR_STOPWATCH_DEBUGTRACE(("Reset: Style Resolution: PresShell::BeginLoad(), this=%p\n", this));
PresShell::BeginLoad(nsIDocument *aDocument){  #ifdef RAPTOR_PERF_METRICS  // Reset style resolution stopwatch maintained by style set  nsresult rv = NS_OK;  nsCOMPtr<nsITimeRecorder> watch = do_QueryInterface(mStyleSet, &rv);  if (NS_SUCCEEDED(rv) && watch) {    watch->ResetTimer(NS_TIMER_STYLE_RESOLUTION);  }#endif  return NS_OK;}