function getElementsByTagName(element, name) {
  return Array.from(genericMethodCall(
      Methods.GET_ELEMENTS_BY_TAG_NAME, element, 'getElementsByTagName',
      [name]));
}
Get the children of a specific tag matching the provided tag name without
falling prey to things like <form><input name="getElementsByTagName"></form>.
Equivalent to {@code element.getElementsByTagName("foo")}.
@param {!Element} element
@param {string} name
@return {!Array<!Element>}