[MD settings] remove breadcrumb code

chrome/browser/resources/settings/settings_page/settings_router.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-router' is a simple router for settings. Its responsibilities:
  *  - Update the URL when the routing state changes.
  *  - Initialize the routing state with the initial URL.
  *  - Process and validate all routing state changes.
@@ skipping 40 matching lines @@
         }
 
         // As a fallback return the default route.
         return this.routes_[0];
       },
     },
 
     /**
      * Page titles for the currently active route. Updated by the currentRoute
      * property observer.
-     * @type {{pageTitle: string, subpageTitles: Array<string>}}
+     * @type {{pageTitle: string}}
      */
     currentRouteTitles: {
       notify: true,
       type: Object,
       value: function() {
         return {
           pageTitle: '',
-          subpageTitles: [],
         };
       },
     },
   },
 
 
  /**
   * @private
   * The 'url' property is not accessible to other elements.
   */
  routes_: [
     {
       url: '/',
       page: 'basic',
       section: '',
       subpage: [],
-      subpageTitles: [],
     },
     {
       url: '/advanced',
       page: 'advanced',
       section: '',
       subpage: [],
-      subpageTitles: [],
     },
 <if expr="chromeos">
     {
       url: '/networkDetail',
       page: 'basic',
       section: 'internet',
       subpage: ['network-detail'],
-      subpageTitles: ['internetDetailPageTitle'],
     },
     {
       url: '/knownNetworks',
       page: 'basic',
       section: 'internet',
       subpage: ['known-networks'],
-      subpageTitles: ['internetKnownNetworksPageTitle'],
     },
 </if>
     {
       url: '/fonts',
       page: 'basic',
       section: 'appearance',
       subpage: ['appearance-fonts'],
-      subpageTitles: ['customizeFonts'],
     },
     {
       url: '/searchEngines',
       page: 'basic',
       section: 'search',
       subpage: ['search-engines'],
-      subpageTitles: ['searchEnginesPageTitle'],
     },
     {
       url: '/searchEngines/advanced',
       page: 'basic',
       section: 'search',
       subpage: ['search-engines', 'search-engines-advanced'],
-      subpageTitles: ['searchEnginesPageTitle', 'advancedPageTitle'],
     },
 <if expr="chromeos">
     {
       url: '/changePicture',
       page: 'basic',
       section: 'people',
       subpage: ['changePicture'],
-      subpageTitles: ['changePictureTitle'],
     },
 </if>
 <if expr="not chromeos">
     {
       url: '/manageProfile',
       page: 'basic',
       section: 'people',
       subpage: ['manageProfile'],
-      subpageTitles: ['editPerson'],
     },
 </if>
     {
       url: '/syncSetup',
       page: 'basic',
       section: 'people',
       subpage: ['sync'],
-      subpageTitles: ['syncPageTitle'],
     },
 <if expr="chromeos">
     {
       url: '/accounts',
       page: 'basic',
       section: 'people',
       subpage: ['users'],
-      subpageTitles: ['usersPageTitle'],
     },
 </if>
     {
       url: '/certificates',
       page: 'advanced',
       section: 'privacy',
       subpage: ['manage-certificates'],
-      subpageTitles: ['manageCertificates'],
     },
     {
       url: '/siteSettings',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings'],
-      subpageTitles: ['siteSettings'],
     },
     // Site Category routes.
     {
       url: '/siteSettings/all',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'all-sites'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryAllSites'],
     },
     {
       url: '/siteSettings/camera',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-camera'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryCamera'],
     },
     {
       url: '/siteSettings/cookies',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-cookies'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryCookies'],
     },
     {
       url: '/siteSettings/fullscreen',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-fullscreen'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryFullscreen'],
     },
     {
       url: '/siteSettings/images',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-images'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryImages'],
     },
     {
       url: '/siteSettings/location',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-location'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryLocation'],
     },
     {
       url: '/siteSettings/javascript',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-javascript'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryJavascript'],
     },
     {
       url: '/siteSettings/microphone',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-microphone'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryMicrophone'],
     },
     {
       url: '/siteSettings/notifications',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-notifications'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryNotifications'],
     },
     {
       url: '/siteSettings/popups',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-popups'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryPopups'],
     },
     // Site details routes.
     {
       url: '/siteSettings/all/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'all-sites', 'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryAllSites',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/camera/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-camera',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCamera',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/cookies/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-cookies',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryCookies',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/fullscreen/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-fullscreen',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryFullscreen',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/images/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-images',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryImages',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/location/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-location',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryLocation',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/javascript/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-javascript',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryJavascript',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/microphone/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-microphone',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryMicrophone',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/notifications/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-notifications',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryNotifications',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/siteSettings/popups/details',
       page: 'advanced',
       section: 'privacy',
       subpage: ['site-settings', 'site-settings-category-popups',
           'site-details'],
-      subpageTitles: ['siteSettings', 'siteSettingsCategoryPopups',
-          'siteSettingsSiteDetailsPageTitle'],
     },
     {
       url: '/clearBrowserData',
       page: 'advanced',
       section: 'privacy',
       subpage: ['clear-browsing-data'],
-      subpageTitles: ['clearBrowsingData'],
     },
 <if expr="chromeos">
     {
       url: '/bluetoothAddDevice',
       page: 'advanced',
       section: 'bluetooth',
       subpage: ['bluetooth-add-device'],
-      subpageTitles: ['bluetoothAddDevicePageTitle'],
     },
     {
       url: '/bluetoothAddDevice/bluetoothPairDevice',
       page: 'advanced',
       section: 'bluetooth',
       subpage: ['bluetooth-add-device', 'bluetooth-pair-device'],
-      subpageTitles: ['bluetoothAddDevicePageTitle',
-                      'bluetoothPairDevicePageTitle'],
     },
 </if>
     {
       url: '/languages',
       page: 'advanced',
       section: 'languages',
       subpage: ['manage-languages'],
-      subpageTitles: ['manageLanguagesPageTitle'],
     },
     {
       url: '/languages/edit',
       page: 'advanced',
       section: 'languages',
       subpage: ['language-detail'],
-      subpageTitles: ['manageLanguagesPageTitle'],
     },
 <if expr="not is_macosx">
     {
       url: '/editDictionary',
       page: 'advanced',
       section: 'languages',
       subpage: ['edit-dictionary'],
-      subpageTitles: ['editDictionaryPageTitle'],
     },
 </if>
 <if expr="chromeos">
     {
       url: '/pointer-overlay',
       page: 'basic',
       section: 'device',
       subpage: ['touchpad'],
-      subpageTitles: ['touchpadTitle'],
     },
     {
       url: '/keyboard-overlay',
       page: 'basic',
       section: 'device',
       subpage: ['keyboard'],
-      subpageTitles: ['keyboardTitle'],
     },
 </if>
   ],
 
   /**
    * Sets up a history popstate observer.
    */
   created: function() {
     window.addEventListener('popstate', function(event) {
       if (event.state && event.state.page)
@@ skipping 12 matching lines @@
       var route = this.routes_[i];
       if (route.page == newRoute.page && route.section == newRoute.section &&
           route.subpage.length == newRoute.subpage.length &&
           newRoute.subpage.every(function(value, index) {
             return value == route.subpage[index];
           })) {
 
         // Update the property containing the titles for the current route.
         this.currentRouteTitles = {
           pageTitle: loadTimeData.getString(route.page + 'PageTitle'),
-          subpageTitles: route.subpageTitles.map(function(titleCode) {
-            return loadTimeData.getString(titleCode);
-          }),
         };
 
         // If we are restoring a state from history, don't push it again.
         if (newRoute.inHistory)
           return;
 
         // Mark routes persisted in history as already stored in history.
         var historicState = {
           inHistory: true,
           page: newRoute.page,
@@ skipping 12 matching lines @@
           window.history.replaceState(historicState, document.title);
         }
 
         return;
       }
     }
 
     assertNotReached('Route not found: ' + JSON.stringify(newRoute));
   },
 });