Method registerDefaultAction

src/base-element.js:702–714

* Registers the default action for this component. * @param {function(!./service/action-impl.ActionInvocation)} handler * @param {string=} alias * @param {ActionTrust_Enum=} minTrust * @public

(
    handler,
    alias = DEFAULT_ACTION,
    minTrust = ActionTrust_Enum.DEFAULT
  )

   * @public
   */
  registerDefaultAction(
    handler,
    alias = DEFAULT_ACTION,
    minTrust = ActionTrust_Enum.DEFAULT
  ) {
    devAssert(
      !this['defaultActionAlias_'],
      'Default action "%s" already registered.',
      this['defaultActionAlias_']
    );
    this.registerAction(alias, handler, minTrust);
    this['defaultActionAlias_'] = alias;
  }

  /**
   * Requests the element to execute the specified method. If method must have