webkitWillExitFullScreenForElement  411 Source/core/dom/FullscreenElementStack.cpp void FullscreenElementStack::webkitWillExitFullScreenForElement(Element*)
webkitWillExitFullScreenForElement 2049 Source/core/testing/Internals.cpp void Internals::webkitWillExitFullScreenForElement(Document* document, Element* element)