WebUI: Enable ESLint rule for missing semicolons.

chrome/browser/resources/chromeos/chromevox/common/spannable.js

 // Copyright 2014 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 Class which allows construction of annotated strings.
  */
 
 goog.provide('Spannable');
 
@@ skipping 410 matching lines @@
 
 // Helpers for implementing the various |get*| methods of |Spannable|.
 
 /**
  * @param {Function} constructor
  * @return {function(SpanStruct): boolean}
  */
 function spanInstanceOf(constructor) {
   return function(span) {
     return span.value instanceof constructor;
-  }
+  };
 }
 
 /**
  * @param {number} position
  * @return {function(SpanStruct): boolean}
  */
 function spanCoversPosition(position) {
   return function(span) {
     return span.start <= position && position < span.end;
-  }
+  };
 }
 
 /**
  * @param {*} value
  * @return {function(SpanStruct): boolean}
  */
 function spanValueIs(value) {
   return function(span) {
     return span.value === value;
-  }
+  };
 }
 
 /**
  * @param {!SpanStruct|undefined} span
  * @return {*}
  */
 function valueOfSpan(span) {
   return span ? span.value : undefined;
 }
 
 });