[MD settings] name Content settings separately from site settings

chrome/browser/resources/settings/privacy_page/privacy_page.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
  * 'settings-privacy-page' is the settings page containing privacy and
  * security settings.
  */
 Polymer({
@@ skipping 107 matching lines @@
     this.$.spellingServiceToggleButton.checked =
         this.get('prefs.spellcheck.use_spelling_service.value');
   },
 
   /** @private */
   onUseSpellingServiceTap_: function() {
     this.set('prefs.spellcheck.use_spelling_service.value',
         this.$.spellingServiceToggleButton.checked);
   },
 </if>
+
+  /**
+   * The sub-page title for the site or content settings.
+   * @return {string}
+   * @private
+   */
+  siteSettingsPageTitle_: function() {
+    return loadTimeData.getBoolean('enableSiteSettings') ?
+        loadTimeData.getString('siteSettings') :
+        loadTimeData.getString('contentSettings');
+  },
 });