[Sync] Convert syncable/ directory to ModelEnumSet

chrome/browser/sync/notifier/p2p_notifier.h

Index: chrome/browser/sync/notifier/p2p_notifier.h
diff --git a/chrome/browser/sync/notifier/p2p_notifier.h b/chrome/browser/sync/notifier/p2p_notifier.h
index e61e8bf8c83e464c9f80c832532b039228eddec9..6a8a376514203bad0b378df590851340ffe17db3 100644
--- a/chrome/browser/sync/notifier/p2p_notifier.h
+++ b/chrome/browser/sync/notifier/p2p_notifier.h
@@ -53,14 +53,14 @@ class P2PNotificationData {
   P2PNotificationData();
   P2PNotificationData(const std::string& sender_id,
                       P2PNotificationTarget target,
-                      const syncable::ModelTypeSet& changed_types);
+                      syncable::ModelEnumSet changed_types);
 
   ~P2PNotificationData();
 
   // Returns true if the given ID is targeted by this notification.
   bool IsTargeted(const std::string& id) const;
 
-  const syncable::ModelTypeSet& GetChangedTypes() const;
+  syncable::ModelEnumSet GetChangedTypes() const;
 
   bool Equals(const P2PNotificationData& other) const;
 
@@ -76,7 +76,7 @@ class P2PNotificationData {
   // The intendent recipient(s) of the notification.
   P2PNotificationTarget target_;
   // The types the notification is for.
-  syncable::ModelTypeSet changed_types_;
+  syncable::ModelEnumSet changed_types_;
 };
 
 class P2PNotifier
@@ -104,9 +104,9 @@ class P2PNotifier
   virtual void UpdateCredentials(
       const std::string& email, const std::string& token) OVERRIDE;
   virtual void UpdateEnabledTypes(
-      const syncable::ModelTypeSet& enabled_types) OVERRIDE;
+      syncable::ModelEnumSet enabled_types) OVERRIDE;
   virtual void SendNotification(
-      const syncable::ModelTypeSet& changed_types) OVERRIDE;
+      syncable::ModelEnumSet changed_types) OVERRIDE;
 
   // TalkMediator::Delegate implementation.
   virtual void OnNotificationStateChange(bool notifications_enabled) OVERRIDE;
@@ -135,7 +135,7 @@ class P2PNotifier
   // Which set of clients should be sent notifications.
   P2PNotificationTarget send_notification_target_;
 
-  syncable::ModelTypeSet enabled_types_;
+  syncable::ModelEnumSet enabled_types_;
   scoped_refptr<base::MessageLoopProxy> parent_message_loop_proxy_;
 };