[MD settings] allow site exceptions without pattern wildcard

chrome/browser/resources/settings/site_settings/site_settings_behavior.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 Behavior common to Site Settings classes.
  */
 
 /** @polymerBehavior */
 var SiteSettingsBehaviorImpl = {
@@ skipping 43 matching lines @@
       return url.slice(0, -4);
     }
     if (urlWithScheme.startsWith('http://') &&
         urlWithScheme.endsWith(':80')) {
       return url.slice(0, -3);
     }
     return url;
   },
 
   /**
-   * Adds the wildcard prefix to a pattern string (if missing).
-   * @param {string} pattern The pattern to add the wildcard to.
-   * @return {string} The resulting pattern.
-   * @private
-   */
-  addPatternWildcard: function(pattern) {
-    if (pattern.indexOf('[*.]') > -1)
-      return pattern;
-    if (pattern.startsWith('http://'))
-      return pattern.replace('http://', 'http://[*.]');
-    else if (pattern.startsWith('https://'))
-      return pattern.replace('https://', 'https://[*.]');
-    else if (pattern.startsWith('chrome-extension://'))
-      return pattern;  // No need for a wildcard for this.
-    else
-      return '[*.]' + pattern;
-  },
-
-  /**
    * Removes the wildcard prefix from a pattern string.
    * @param {string} pattern The pattern to remove the wildcard from.
    * @return {string} The resulting pattern.
    * @private
    */
   removePatternWildcard: function(pattern) {
     if (pattern.startsWith('http://[*.]'))
       return pattern.replace('http://[*.]', 'http://');
     else if (pattern.startsWith('https://[*.]'))
       return pattern.replace('https://[*.]', 'https://');
@@ skipping 93 matching lines @@
       incognito: exception.incognito,
       setting: exception.setting,
       source: exception.source,
     };
   },
 
 };
 
 /** @polymerBehavior */
 var SiteSettingsBehavior = [SiteSettingsBehaviorImpl];