Make use of InvalidationService

sync/notifier/invalidation_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/invalidation_notifier.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/metrics/histogram.h"
@@ skipping 61 matching lines @@
         base::Bind(&invalidation::CreateInvalidationClient),
         invalidator_client_id_, client_info_, invalidation_bootstrap_data_,
         initial_invalidation_state_map_,
         invalidation_state_tracker_,
         this);
     state_ = STARTED;
   }
   invalidation_listener_.UpdateCredentials(email, token);
 }
 
-void InvalidationNotifier::SendInvalidation(
-    const ObjectIdInvalidationMap& invalidation_map) {
-  DCHECK(CalledOnValidThread());
-  // Do nothing.
-}
-
 void InvalidationNotifier::OnInvalidate(
     const ObjectIdInvalidationMap& invalidation_map) {
   DCHECK(CalledOnValidThread());
   registrar_.DispatchInvalidationsToHandlers(invalidation_map);
 }
 
 void InvalidationNotifier::OnInvalidatorStateChange(InvalidatorState state) {
   DCHECK(CalledOnValidThread());
   registrar_.UpdateInvalidatorState(state);
 }
 
 }  // namespace syncer