Site Settings: Give each category its own route.

chrome/browser/resources/settings/site_settings/site_details.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
  * 'site-details' show the details (permissions and usage) for a given origin
  * under Site Settings.
  *
  * Example:
@@ skipping 29 matching lines @@
       type: String,
       observer: 'onStoredDataChanged_',
     },
   },
 
   ready: function() {
     this.$.cookies.category = settings.ContentSettingsTypes.COOKIES;
     this.$.javascript.category = settings.ContentSettingsTypes.JAVASCRIPT;
     this.$.popups.category = settings.ContentSettingsTypes.POPUPS;
     this.$.geolocation.category = settings.ContentSettingsTypes.GEOLOCATION;
-    this.$.notification.category = settings.ContentSettingsTypes.NOTIFICATION;
+    this.$.notification.category = settings.ContentSettingsTypes.NOTIFICATIONS;
     this.$.fullscreen.category = settings.ContentSettingsTypes.FULLSCREEN;
     this.$.camera.category = settings.ContentSettingsTypes.CAMERA;
     this.$.mic.category = settings.ContentSettingsTypes.MIC;
 
     this.storedData_ = '1337 MB';  // TODO(finnur): Fetch actual data.
   },
 
   onStoredDataChanged_: function() {
     this.$.usage.hidden = false;
     this.$.storage.hidden = false;
   },
 
   onClearStorage_: function() {
     // TODO(finnur): Implement.
   },
 
   onClearAndReset_: function() {
     Array.prototype.forEach.call(
         this.root.querySelectorAll('site-details-permission'),
         function(element) { element.resetPermission(); });
 
     this.onClearStorage_();
   },
 });