[Sync] Remove unneeded 'using syncer::' lines and 'syncer::' scopings

sync/notifier/p2p_notifier.h

 // 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.
 //
 // A notifier that uses p2p notifications based on XMPP push
 // notifications.  Used only for sync integration tests.
 
 #ifndef SYNC_NOTIFIER_P2P_NOTIFIER_H_
 #define SYNC_NOTIFIER_P2P_NOTIFIER_H_
 
@@ skipping 37 matching lines @@
 
 // Helper notification data class that can be serialized to and
 // deserialized from a string.
 class P2PNotificationData {
  public:
   // Initializes with an empty sender ID, target set to NOTIFY_SELF,
   // and empty changed types.
   P2PNotificationData();
   P2PNotificationData(const std::string& sender_id,
                       P2PNotificationTarget target,
-                      syncer::ModelTypeSet changed_types);
+                      ModelTypeSet changed_types);
 
   ~P2PNotificationData();
 
   // Returns true if the given ID is targeted by this notification.
   bool IsTargeted(const std::string& id) const;
 
-  syncer::ModelTypeSet GetChangedTypes() const;
+  ModelTypeSet GetChangedTypes() const;
 
   bool Equals(const P2PNotificationData& other) const;
 
   std::string ToString() const;
 
   // Returns whether parsing |str| was successful.  If parsing was
   // unsuccessful, the state of the notification is undefined.
   bool ResetFromString(const std::string& str);
 
  private:
   // The unique ID of the client that sent the notification.
   std::string sender_id_;
   // The intendent recipient(s) of the notification.
   P2PNotificationTarget target_;
   // The types the notification is for.
-  syncer::ModelTypeSet changed_types_;
+  ModelTypeSet changed_types_;
 };
 
 class P2PNotifier
     : public SyncNotifier,
       public notifier::PushClientObserver {
  public:
   // The |send_notification_target| parameter was added to allow us to send
   // self-notifications in some cases, but not others.  The value should be
   // either NOTIFY_ALL to send notifications to all clients, or NOTIFY_OTHERS
   // to send notifications to all clients except for the one that triggered the
   // notification.  See crbug.com/97780.
   P2PNotifier(scoped_ptr<notifier::PushClient> push_client,
               P2PNotificationTarget send_notification_target);
 
   virtual ~P2PNotifier();
 
   // SyncNotifier implementation
   virtual void AddObserver(SyncNotifierObserver* observer) OVERRIDE;
   virtual void RemoveObserver(SyncNotifierObserver* observer) OVERRIDE;
   virtual void SetUniqueId(const std::string& unique_id) OVERRIDE;
   virtual void SetStateDeprecated(const std::string& state) OVERRIDE;
   virtual void UpdateCredentials(
       const std::string& email, const std::string& token) OVERRIDE;
-  virtual void UpdateEnabledTypes(
-      syncer::ModelTypeSet enabled_types) OVERRIDE;
-  virtual void SendNotification(
-      syncer::ModelTypeSet changed_types) OVERRIDE;
+  virtual void UpdateEnabledTypes(ModelTypeSet enabled_types) OVERRIDE;
+  virtual void SendNotification(ModelTypeSet changed_types) OVERRIDE;
 
   // PushClientObserver implementation.
   virtual void OnNotificationsEnabled() OVERRIDE;
   virtual void OnNotificationsDisabled(
       notifier::NotificationsDisabledReason reason) OVERRIDE;
   virtual void OnIncomingNotification(
       const notifier::Notification& notification) OVERRIDE;
 
   void SendNotificationDataForTest(
       const P2PNotificationData& notification_data);
 
  private:
   void SendNotificationData(const P2PNotificationData& notification_data);
 
   base::ThreadChecker thread_checker_;
 
   ObserverList<SyncNotifierObserver> observer_list_;
 
   // The push client.
   scoped_ptr<notifier::PushClient> push_client_;
   // Our unique ID.
   std::string unique_id_;
   // Whether we have called UpdateCredentials() yet.
   bool logged_in_;
   bool notifications_enabled_;
   // Which set of clients should be sent notifications.
   P2PNotificationTarget send_notification_target_;
 
-  syncer::ModelTypeSet enabled_types_;
+  ModelTypeSet enabled_types_;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_NOTIFIER_P2P_NOTIFIER_H_