{ mViewManager->CacheWidgetChanges(PR_FALSE);
{ if (mViewManager) { mViewManager->CacheWidgetChanges(PR_FALSE); }
PresShell::DidCauseReflow(){      mViewManager->CacheWidgetChanges(PR_FALSE);  if (!gAsyncReflowDuringDocLoad && mDocumentLoading) {    FlushPendingNotifications(PR_FALSE);  }  return NS_OK;}