suppress user/password dialog when re-enabling sync

chrome/browser/signin/token_service.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/signin/token_service.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 190 matching lines @@
 
 // Note that this can fire twice or more for any given service.
 // It can fire once from the DB read, and then once from the initial
 // fetcher. Future fetches can cause more notification firings.
 // The DB read will not however fire a notification if the fetcher
 // returned first. So it's always safe to use the latest notification.
 void TokenService::FireTokenAvailableNotification(
     const std::string& service,
     const std::string& auth_token) {
 
+  LOG(WARNING) << "Token available for " << service;
   TokenAvailableDetails details(service, auth_token);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_TOKEN_AVAILABLE,
       content::Source<TokenService>(this),
       content::Details<const TokenAvailableDetails>(&details));
 }
 
 void TokenService::FireTokenRequestFailedNotification(
     const std::string& service,
     const GoogleServiceAuthError& error) {
@@ skipping 140 matching lines @@
 }
 
 void TokenService::Observe(int type,
                            const content::NotificationSource& source,
                            const content::NotificationDetails& details) {
   DCHECK_EQ(type, chrome::NOTIFICATION_TOKEN_UPDATED);
   TokenAvailableDetails* tok_details =
       content::Details<TokenAvailableDetails>(details).ptr();
   OnIssueAuthTokenSuccess(tok_details->service(), tok_details->token());
 }