render() {
          return (
            <div ref={this.divRef} id={this.props.id + '__DIV'}>
              <div ref={this.div1Ref} id={this.props.id + '__DIV_1'} />
              <div ref={this.div2Ref} id={this.props.id + '__DIV_2'} />
            </div>
          );
        }
If nothing is responder, then the negotiation should propagate directly to
the deepest target in the second touch.