Make the change in ProfileSyncService such that it declares success

chrome/browser/sync/profile_sync_service.h

Index: chrome/browser/sync/profile_sync_service.h
===================================================================
--- chrome/browser/sync/profile_sync_service.h	(revision 112357)
+++ chrome/browser/sync/profile_sync_service.h	(working copy)
@@ -160,10 +160,14 @@
 
   void RegisterAuthNotifications();
 
-  // Return whether all sync tokens are loaded and
-  // available for the backend to start up.
+  // Same as AreCredentialsAvailable(false).
   bool AreCredentialsAvailable();
 
+  // Return whether all sync tokens are loaded and available for the backend to
+  // start up. Also checks for OAuth login token if |check_oauth_login_token| is
+  // true.
+  bool AreCredentialsAvailable(bool check_oauth_login_token);
+
   // Registers a data type controller with the sync service.  This
   // makes the data type controller available for use, it does not
   // enable or activate the synchronization of the data type (see