requestFullScreenForElement 2705 Source/core/dom/Element.cpp     FullscreenElementStack::from(document()).requestFullScreenForElement(this, ALLOW_KEYBOARD_INPUT, FullscreenElementStack::EnforceIFrameAllowFullScreenRequirement);
requestFullScreenForElement 2710 Source/core/dom/Element.cpp     FullscreenElementStack::from(document()).requestFullScreenForElement(this, (flags | LEGACY_MOZILLA_REQUEST), FullscreenElementStack::EnforceIFrameAllowFullScreenRequirement);
requestFullScreenForElement   67 Source/core/dom/FullscreenElementStack.h     void requestFullScreenForElement(Element*, unsigned short flags, FullScreenCheckType);
requestFullScreenForElement 3182 Source/core/html/HTMLMediaElement.cpp     FullscreenElementStack::from(document()).requestFullScreenForElement(this, 0, FullscreenElementStack::ExemptIFrameAllowFullScreenRequirement);
requestFullScreenForElement  487 Source/core/html/shadow/MediaControlElements.cpp             FullscreenElementStack::from(document()).requestFullScreenForElement(&mediaElement(), 0, FullscreenElementStack::ExemptIFrameAllowFullScreenRequirement);