function createCheckbox(state)
        {
            var td = createElement("td");
            var label = createElement("label");
            var input = createElement("input");
            input.type = "checkbox";
            input.state = state;
            input.addEventListener("click", clickListener.bind(this), false);
            inputs.push(input);
            label.appendChild(input);
            label.createTextChild(":" + state);
            td.appendChild(label);
            return td;
        }
@param {string} state
@return {!Element}
@this {WebInspector.StylesSidebarPane}