[MD settings] change protocol handler icon

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 141 matching lines @@
         return 'settings:code';
       case settings.ContentSettingsTypes.MIC:
         return 'settings:mic';
       case settings.ContentSettingsTypes.NOTIFICATIONS:
         return 'settings:notifications';
       case settings.ContentSettingsTypes.PLUGINS:
         return 'cr:extension';
       case settings.ContentSettingsTypes.POPUPS:
         return 'cr:open-in-new';
       case settings.ContentSettingsTypes.PROTOCOL_HANDLERS:
-        return 'settings:open-with';
+        return 'settings:protocol-handler';
       case settings.ContentSettingsTypes.UNSANDBOXED_PLUGINS:
         return 'cr:extension';
       case settings.ContentSettingsTypes.USB_DEVICES:
         return 'settings:usb';
       case settings.ContentSettingsTypes.ZOOM_LEVELS:
         return 'settings:zoom-in';
       default:
         assertNotReached('Invalid category: ' + category);
         return '';
     }
@@ skipping 328 matching lines @@
       incognito: exception.incognito,
       setting: exception.setting,
       source: exception.source,
     };
   },
 
 };
 
 /** @polymerBehavior */
 var SiteSettingsBehavior = [SiteSettingsBehaviorImpl];