DONT_UPDATE_OBSERVERS 1370 content/browser/download/download_item_impl.cc   TransitionTo(COMPLETING_INTERNAL, DONT_UPDATE_OBSERVERS);
DONT_UPDATE_OBSERVERS 1485 content/browser/download/download_item_impl.cc   TransitionTo(INTERRUPTED_INTERNAL, DONT_UPDATE_OBSERVERS);
DONT_UPDATE_OBSERVERS 1721 content/browser/download/download_item_impl.cc   TransitionTo(RESUMING_INTERNAL, DONT_UPDATE_OBSERVERS);