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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);