Can't we play "find the core-selector" instead of [requiring consumers to use `class="menu"`?](https://github.com/Polymer/paper-dropdown/blob/master/paper-dropdown-transition.html#L108) It just seems weird forcing a class name upon an element in the light DOM.
Can't we play "find the core-selector" instead of requiring consumers to use
class="menu"?It just seems weird forcing a class name upon an element in the light DOM.