PageLoadType GetPageLoadType(ui::PageTransition transition) {
  if (transition & ui::PAGE_TRANSITION_FORWARD_BACK) {
    return LOAD_TYPE_FORWARD_BACK;
  }
  if (ui::PageTransitionCoreTypeIs(transition, ui::PAGE_TRANSITION_RELOAD)) {
    return LOAD_TYPE_RELOAD;
  }
  if (ui::PageTransitionIsNewNavigation(transition)) {
    return LOAD_TYPE_NEW_NAVIGATION;
  }
  NOTREACHED() << "Received PageTransition with no matching PageLoadType.";
  return LOAD_TYPE_NONE;
}

Unknown