EnforceIFrameAllowFullScreenRequirement 2705 Source/core/dom/Element.cpp FullscreenElementStack::from(document()).requestFullScreenForElement(this, ALLOW_KEYBOARD_INPUT, FullscreenElementStack::EnforceIFrameAllowFullScreenRequirement); EnforceIFrameAllowFullScreenRequirement 2710 Source/core/dom/Element.cpp FullscreenElementStack::from(document()).requestFullScreenForElement(this, (flags | LEGACY_MOZILLA_REQUEST), FullscreenElementStack::EnforceIFrameAllowFullScreenRequirement); EnforceIFrameAllowFullScreenRequirement 168 Source/core/dom/FullscreenElementStack.cpp if (checkType == EnforceIFrameAllowFullScreenRequirement && !fullScreenIsAllowedForElement(element))