Implement support for disabling sync through configuration management.

chrome/browser/dom_ui/new_tab_ui.cc

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
 #include "build/build_config.h"
 
 #include "chrome/browser/dom_ui/new_tab_ui.h"
 
 #include <set>
 
 #include "app/l10n_util.h"
@@ skipping 446 matching lines @@
   }
 
   if (!GetProfile()->IsOffTheRecord()) {
     PrefService* pref_service = GetProfile()->GetPrefs();
     AddMessageHandler((new ShownSectionsHandler(pref_service))->Attach(this));
     AddMessageHandler((new MostVisitedHandler())->Attach(this));
     AddMessageHandler((new RecentlyClosedTabsHandler())->Attach(this));
     AddMessageHandler((new MetricsHandler())->Attach(this));
     if (WebResourcesEnabled())
       AddMessageHandler((new TipsHandler())->Attach(this));
-    if (ProfileSyncService::IsSyncEnabled()) {
+    if (GetProfile()->IsSyncAccessible())
       AddMessageHandler((new NewTabPageSyncHandler())->Attach(this));
-    }
     if (Extension::AppsAreEnabled()) {
       ExtensionsService* service = GetProfile()->GetExtensionsService();
       // We might not have an ExtensionsService (on ChromeOS when not logged in
       // for example).
       if (service)
         AddMessageHandler((new AppLauncherHandler(service))->Attach(this));
     }
 
     AddMessageHandler((new NewTabPageSetHomePageHandler())->Attach(this));
   }
@@ skipping 169 matching lines @@
     // URL from the new tab page, but in any case it's an error.
     NOTREACHED();
     return;
   }
 
   scoped_refptr<RefCountedBytes> html_bytes =
       profile_->GetNTPResourceCache()->GetNewTabHTML(is_off_the_record);
 
   SendResponse(request_id, html_bytes);
 }