Rename SettingsOnStartupPage section to onStartup

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 82 matching lines @@
     {
       url: '/fonts',
       page: 'basic',
       section: 'appearance',
       subpage: ['appearance-fonts'],
       subpageTitles: ['customizeFonts'],
     },
     {
       url: '/startup',
       page: 'basic',
-      section: 'on-startup',
+      section: 'onStartup',
       subpage: ['startup-urls'],
       subpageTitles: ['onStartupSetPages'],
     },
     {
       url: '/searchEngines',
       page: 'basic',
       section: 'search',
       subpage: ['search-engines'],
       subpageTitles: ['searchEnginesPageTitle'],
     },
@@ skipping 127 matching lines @@
           history.replaceState(historicState, null);
         }
 
         return;
       }
     }
 
     assertNotReached('Route not found: ' + JSON.stringify(newRoute));
   },
 });