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Lines Matching refs:m_visibilityObservers

549     ASSERT(m_visibilityObservers.isEmpty());
1465     DocumentVisibilityObserverSet::const_iterator observerEnd = m_visibilityObservers.end();
1466     for (DocumentVisibilityObserverSet::const_iterator it = m_visibilityObservers.begin(); it != observerEnd; ++it)
1472     ASSERT(!m_visibilityObservers.contains(observer));
1473     m_visibilityObservers.add(observer);
1478     ASSERT(m_visibilityObservers.contains(observer));
1479     m_visibilityObservers.remove(observer);
5862     visitor->trace(m_visibilityObservers);