[Sync] Make P2PNotifier behave more like InvalidationNotifier

chrome/browser/sync/notifier/invalidation_notifier.cc

 // 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.
 
 #include "chrome/browser/sync/notifier/invalidation_notifier.h"
 
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "chrome/browser/sync/notifier/sync_notifier_observer.h"
 #include "chrome/browser/sync/protocol/service_constants.h"
@@ skipping 65 matching lines @@
                             notifier_options_.request_context_getter,
                             notifier::GetServerList(notifier_options_),
                             notifier_options_.try_ssltcp_first,
                             notifier_options_.auth_mechanism));
     login_->StartConnection();
     state_ = CONNECTING;
   }
 }
 
 void InvalidationNotifier::UpdateEnabledTypes(
-    const syncable::ModelTypeSet& types) {
+    const syncable::ModelTypeSet& enabled_types) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
-  invalidation_client_.RegisterTypes(types);
+  invalidation_client_.RegisterTypes(enabled_types);
 }
 
-void InvalidationNotifier::SendNotification() {
+void InvalidationNotifier::SendNotification(
+    const syncable::ModelTypeSet& changed_types) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
+  // Do nothing.
 }
 
 void InvalidationNotifier::OnConnect(
     base::WeakPtr<talk_base::Task> base_task) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
   VLOG(1) << "OnConnect";
   if (state_ >= STARTED) {
     invalidation_client_.ChangeBaseTask(base_task);
   } else {
     VLOG(1) << "First time connecting: starting invalidation client";
@@ skipping 26 matching lines @@
                     OnNotificationStateChange(has_session));
 }
 
 void InvalidationNotifier::WriteState(const std::string& state) {
   DCHECK(non_thread_safe_.CalledOnValidThread());
   VLOG(1) << "WriteState";
   FOR_EACH_OBSERVER(SyncNotifierObserver, observers_, StoreState(state));
 }
 
 }  // namespace sync_notifier