Rename SyncNotifier->Invalidator and SyncNotifierObserver->InvalidationHandler.

sync/notifier/fake_invalidation_handler.cc

Index: sync/notifier/fake_invalidation_handler.cc
diff --git a/sync/notifier/fake_sync_notifier_observer.cc b/sync/notifier/fake_invalidation_handler.cc
similarity index 57%
rename from sync/notifier/fake_sync_notifier_observer.cc
rename to sync/notifier/fake_invalidation_handler.cc
index b95f9a9f8f304657b15a2a7e574143d00829f70b..6c065871a9ecd857797a1c97c39171510cf12aec 100644
--- a/sync/notifier/fake_sync_notifier_observer.cc
+++ b/sync/notifier/fake_invalidation_handler.cc
@@ -2,46 +2,46 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "sync/notifier/fake_sync_notifier_observer.h"
+#include "sync/notifier/fake_invalidation_handler.h"
 
 namespace syncer {
 
-FakeSyncNotifierObserver::FakeSyncNotifierObserver()
+FakeInvalidationHandler::FakeInvalidationHandler()
     : reason_(TRANSIENT_NOTIFICATION_ERROR),
       last_source_(LOCAL_NOTIFICATION),
       notification_count_(0) {}
 
-FakeSyncNotifierObserver::~FakeSyncNotifierObserver() {}
+FakeInvalidationHandler::~FakeInvalidationHandler() {}
 
 NotificationsDisabledReason
-FakeSyncNotifierObserver::GetNotificationsDisabledReason() const {
+FakeInvalidationHandler::GetNotificationsDisabledReason() const {
   return reason_;
 }
 
 const ObjectIdStateMap&
-FakeSyncNotifierObserver::GetLastNotificationIdStateMap() const {
+FakeInvalidationHandler::GetLastNotificationIdStateMap() const {
   return last_id_state_map_;
 }
 
 IncomingNotificationSource
-FakeSyncNotifierObserver::GetLastNotificationSource() const {
+FakeInvalidationHandler::GetLastNotificationSource() const {
   return last_source_;
 }
 
-int FakeSyncNotifierObserver::GetNotificationCount() const {
+int FakeInvalidationHandler::GetNotificationCount() const {
   return notification_count_;
 }
 
-void FakeSyncNotifierObserver::OnNotificationsEnabled() {
+void FakeInvalidationHandler::OnNotificationsEnabled() {
   reason_ = NO_NOTIFICATION_ERROR;
 }
 
-void FakeSyncNotifierObserver::OnNotificationsDisabled(
+void FakeInvalidationHandler::OnNotificationsDisabled(
     NotificationsDisabledReason reason) {
   reason_ = reason;
 }
 
-void FakeSyncNotifierObserver::OnIncomingNotification(
+void FakeInvalidationHandler::OnIncomingNotification(
     const ObjectIdStateMap& id_state_map,
     IncomingNotificationSource source) {
   last_id_state_map_ = id_state_map;