WebUI: Fix violations of no-extra-semi lint rule.

chrome/browser/resources/chromeos/switch_access/automation_manager.js

 // Copyright 2017 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.
 
 /**
  * Class to manage interactions with the accessibility tree, including moving
  * to and selecting nodes.
  *
  * @constructor
  * @param {!chrome.automation.AutomationNode} desktop
@@ skipping 30 matching lines @@
   this.scopeStack_ = [];
 
   /**
    * Moves to the appropriate node in the accessibility tree.
    *
    * @private {!AutomationTreeWalker}
    */
   this.treeWalker_ = this.createTreeWalker_(desktop);
 
   this.init_();
-};
+}
 
 /**
  * Highlight colors for the focus ring to distinguish between different types
  * of nodes.
  *
  * @const
  */
 AutomationManager.Color = {
   SCOPE: '#de742f', // dark orange
   GROUP: '#ffbb33', // light orange
@@ skipping 324 matching lines @@
    */
   debugMoveToParent: function() {
     let parent = this.treeWalker_.debugMoveToParent(this.node_);
     if (parent) {
       this.node_ = parent;
       this.printNode_(this.node_);
       chrome.accessibilityPrivate.setFocusRing([this.node_.location]);
     }
   }
 };