Clang format JS: Disallow single line functions, conditionals, loops, and switch statements

ui/webui/resources/cr_elements/cr_expand_button/cr_expand_button.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * 'cr-expand-button' is a chrome-specific wrapper around paper-icon-button that
  * toggles between an opened (expanded) and closed state.
  *
  * Example:
@@ skipping 20 matching lines @@
   },
 
   iconName_: function(expanded) {
     return expanded ? 'cr:expand-less' : 'cr:expand-more';
   },
 
   /**
    * @param {Event} event
    * @private
    */
-  stopTap_: function(event) { event.stopPropagation(); },
+  stopTap_: function(event) {
+    event.stopPropagation();
+  },
 });