[Invalidations] Add GetInvalidatorState() to Invalidator{,Frontend}

sync/notifier/fake_invalidator_unittest.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 "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "sync/notifier/fake_invalidator.h"
 #include "sync/notifier/invalidator_test_template.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 22 matching lines @@
   }
 
   void DestroyInvalidator() {
     invalidator_.reset();
   }
 
   void WaitForInvalidator() {
     // Do Nothing.
   }
 
-  void TriggerOnNotificationsEnabled() {
-    invalidator_->EmitOnNotificationsEnabled();
+  void TriggerOnInvalidatorStateChange(InvalidatorState state) {
+    invalidator_->EmitOnInvalidatorStateChange(state);
   }
 
-  void TriggerOnIncomingNotification(const ObjectIdStateMap& id_state_map,
-                                     IncomingNotificationSource source) {
-    invalidator_->EmitOnIncomingNotification(id_state_map, source);
-  }
-
-  void TriggerOnNotificationsDisabled(NotificationsDisabledReason reason) {
-    invalidator_->EmitOnNotificationsDisabled(reason);
+  void TriggerOnIncomingInvalidation(const ObjectIdStateMap& id_state_map,
+                                     IncomingInvalidationSource source) {
+    invalidator_->EmitOnIncomingInvalidation(id_state_map, source);
   }
 
   static bool InvalidatorHandlesDeprecatedState() {
     return false;
   }
 
  private:
   scoped_ptr<FakeInvalidator> invalidator_;
 };
 
 INSTANTIATE_TYPED_TEST_CASE_P(
     FakeInvalidatorTest, InvalidatorTest,
     FakeInvalidatorTestDelegate);
 
 }  // namespace
 
 }  // namespace syncer