sync: migrate invalidation state from syncable::Directory to InvalidationStorage

sync/notifier/p2p_notifier.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 "sync/notifier/p2p_notifier.h"
 
 #include <algorithm>
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 153 matching lines @@
 void P2PNotifier::RemoveObserver(SyncNotifierObserver* observer) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
   observer_list_.RemoveObserver(observer);
 }
 
 void P2PNotifier::SetUniqueId(const std::string& unique_id) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
   unique_id_ = unique_id;
 }
 
-void P2PNotifier::SetState(const std::string& state) {
+void P2PNotifier::SetStateDeprecated(const std::string& state) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
   // Do nothing.
 }
 
 void P2PNotifier::UpdateCredentials(
     const std::string& email, const std::string& token) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
   notifier::Subscription subscription;
   subscription.channel = kSyncP2PNotificationChannel;
   // There may be some subtle issues around case sensitivity of the
@@ skipping 89 matching lines @@
     const P2PNotificationData& notification_data) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
   notifier::Notification notification;
   notification.channel = kSyncP2PNotificationChannel;
   notification.data = notification_data.ToString();
   DVLOG(1) << "Sending XMPP notification: " << notification.ToString();
   push_client_->SendNotification(notification);
 }
 
 }  // namespace sync_notifier