Allow signin to continue even if sync is disabled by policy.

chrome/browser/ui/webui/ntp/new_tab_page_sync_handler.cc

 // Copyright (c) 2012 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 "chrome/browser/ui/webui/ntp/new_tab_page_sync_handler.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 50 matching lines @@
     case sync_ui_util::SYNCED:
     default:
       return HIDE;
   }
 }
 
 void NewTabPageSyncHandler::RegisterMessages() {
   sync_service_ = ProfileSyncServiceFactory::GetInstance()->GetForProfile(
       Profile::FromWebUI(web_ui()));
   DCHECK(sync_service_);  // This shouldn't get called by an incognito NTP.
-  DCHECK(!sync_service_->IsManaged());  // And neither if sync is managed.
   sync_service_->AddObserver(this);
 
   web_ui()->RegisterMessageCallback("GetSyncMessage",
       base::Bind(&NewTabPageSyncHandler::HandleGetSyncMessage,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("SyncLinkClicked",
       base::Bind(&NewTabPageSyncHandler::HandleSyncLinkClicked,
                  base::Unretained(this)));
 }
 
@@ skipping 42 matching lines @@
 
 void NewTabPageSyncHandler::HandleSyncLinkClicked(const ListValue* args) {
   DCHECK(!waiting_for_initial_page_load_);
   DCHECK(sync_service_);
   if (!sync_service_->IsSyncEnabled())
     return;
   Browser* browser =
       chrome::FindBrowserWithWebContents(web_ui()->GetWebContents());
   if (!browser || browser->IsAttemptingToCloseBrowser())
     return;
-  chrome::ShowSyncSetup(browser, SyncPromoUI::SOURCE_NTP_LINK);
+  chrome::ShowBrowserSignin(browser, SyncPromoUI::SOURCE_NTP_LINK);
 
   if (sync_service_->HasSyncSetupCompleted()) {
     string16 user = UTF8ToUTF16(SigninManagerFactory::GetForProfile(
         Profile::FromWebUI(web_ui()))->GetAuthenticatedUsername());
     DictionaryValue value;
     value.SetString("syncEnabledMessage",
                     l10n_util::GetStringFUTF16(IDS_SYNC_NTP_SYNCED_TO,
                     user));
     web_ui()->CallJavascriptFunction("ntp.syncAlreadyEnabled", value);
   } else {
@@ skipping 43 matching lines @@
       if (linkurl.empty()) {
         value.SetBoolean("linkurlisset", false);
       } else {
         value.SetBoolean("linkurlisset", true);
         value.SetString("linkurl", linkurl);
       }
     }
   }
   web_ui()->CallJavascriptFunction("ntp.syncMessageChanged", value);
 }