webkitWillEnterFullScreenForElement  366 Source/core/dom/FullscreenElementStack.cpp void FullscreenElementStack::webkitWillEnterFullScreenForElement(Element* element)
webkitWillEnterFullScreenForElement 2035 Source/core/testing/Internals.cpp void Internals::webkitWillEnterFullScreenForElement(Document* document, Element* element)