Move sync notifier contruction out of syncer thread.

chrome/browser/sync/notifier/p2p_notifier.h

 // Copyright (c) 2011 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.
 //
 // A notifier that uses p2p notifications based on XMPP push
 // notifications.  Used only for sync integration tests.
 
 #ifndef CHROME_BROWSER_SYNC_NOTIFIER_P2P_NOTIFIER_H_
 #define CHROME_BROWSER_SYNC_NOTIFIER_P2P_NOTIFIER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "chrome/browser/sync/notifier/sync_notifier.h"
 #include "chrome/browser/sync/syncable/model_type.h"
 #include "jingle/notifier/listener/talk_mediator.h"
 
+class MessageLoop;
+
 namespace notifier {
 struct NotifierOptions;
 }  // namespace
 
 namespace sync_notifier {
 
 class P2PNotifier
     : public SyncNotifier,
       public notifier::TalkMediator::Delegate {
  public:
@@ skipping 13 matching lines @@
   // TalkMediator::Delegate implementation.
   virtual void OnNotificationStateChange(bool notifications_enabled);
   virtual void OnIncomingNotification(
       const notifier::Notification& notification);
   virtual void OnOutgoingNotification();
 
  private:
   // Call OnIncomingNotification() on observers if we have a non-empty
   // set of enabled types.
   void MaybeEmitNotification();
+  void CheckOrSetValidThread();
 
   ObserverList<SyncNotifierObserver> observer_list_;
 
   // The actual notification listener.
   scoped_ptr<notifier::TalkMediator> talk_mediator_;
   // Whether we called Login() on |talk_mediator_| yet.
   bool logged_in_;
   // Whether |talk_mediator_| has notified us that notifications are
   // enabled.
   bool notifications_enabled_;
 
   syncable::ModelTypeSet enabled_types_;
+  MessageLoop* construction_message_loop_;
+  MessageLoop* method_message_loop_;
 };
 
-}
+}  // namespace sync_notifier
 #endif  // CHROME_BROWSER_SYNC_NOTIFIER_P2P_NOTIFIER_H_