willStopBeingFullscreenElement  409 Source/core/dom/Element.h     virtual void willStopBeingFullscreenElement() { }
willStopBeingFullscreenElement  419 Source/core/dom/FullscreenElementStack.cpp     m_fullScreenElement->willStopBeingFullscreenElement();
willStopBeingFullscreenElement  309 Source/core/html/HTMLMediaElement.h     virtual void willStopBeingFullscreenElement() OVERRIDE FINAL;