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

chrome/browser/resources/bookmark_manager/js/bmm.js

 // Copyright (c) 2012 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.
 
 cr.define('bmm', function() {
   'use strict';
 
   /**
    * Whether a node contains another node.
    * TODO(yosin): Once JavaScript style guide is updated and linter follows
@@ skipping 231 matching lines @@
    * Adds the listeners for the bookmark model change events.
    */
   function addBookmarkModelListeners() {
     chrome.bookmarks.onChanged.addListener(handleBookmarkChanged);
     chrome.bookmarks.onChildrenReordered.addListener(handleChildrenReordered);
     chrome.bookmarks.onCreated.addListener(handleCreated);
     chrome.bookmarks.onMoved.addListener(handleMoved);
     chrome.bookmarks.onRemoved.addListener(handleRemoved);
     chrome.bookmarks.onImportBegan.addListener(handleImportBegan);
     chrome.bookmarks.onImportEnded.addListener(handleImportEnded);
-  };
+  }
 
   return {
     contains: contains,
     isFolder: isFolder,
     loadSubtree: loadSubtree,
     loadTree: loadTree,
     addBookmarkModelListeners: addBookmarkModelListeners
   };
 });