isRadioButton    1554 Source/core/html/HTMLInputElement.cpp bool HTMLInputElement::isRadioButton() const
isRadioButton     626 Source/core/html/forms/InputType.cpp bool InputType::isRadioButton() const
isRadioButton     184 Source/core/html/forms/RadioInputType.cpp bool RadioInputType::isRadioButton() const
isRadioButton      70 Source/web/WebInputElement.cpp bool WebInputElement::isRadioButton() const