Lines Matching refs:m_visibilityObservers
566 ASSERT(m_visibilityObservers.isEmpty());
1466 DocumentVisibilityObserverSet::const_iterator observerEnd = m_visibilityObservers.end();
1467 for (DocumentVisibilityObserverSet::const_iterator it = m_visibilityObservers.begin(); it != observerEnd; ++it)
1473 ASSERT(!m_visibilityObservers.contains(observer));
1474 m_visibilityObservers.add(observer);
1479 ASSERT(m_visibilityObservers.contains(observer));
1480 m_visibilityObservers.remove(observer);
5833 visitor->trace(m_visibilityObservers);