Make use of InvalidationService

sync/notifier/fake_invalidator.cc

Index: sync/notifier/fake_invalidator.cc
diff --git a/sync/notifier/fake_invalidator.cc b/sync/notifier/fake_invalidator.cc
index 088d239b996d236a5b7ea0406a1f77ed3ea437f4..0b217f79e1e309753a0c087a6b6e4b2aa95f75cd 100644
--- a/sync/notifier/fake_invalidator.cc
+++ b/sync/notifier/fake_invalidator.cc
@@ -27,11 +27,6 @@ const std::string& FakeInvalidator::GetCredentialsToken() const {
   return token_;
 }
 
-const ObjectIdInvalidationMap&
-FakeInvalidator::GetLastSentInvalidationMap() const {
-  return last_sent_invalidation_map_;
-}
-
 void FakeInvalidator::EmitOnInvalidatorStateChange(InvalidatorState state) {
   registrar_.UpdateInvalidatorState(state);
 }
@@ -69,9 +64,4 @@ void FakeInvalidator::UpdateCredentials(
   token_ = token;
 }
 
-void FakeInvalidator::SendInvalidation(
-    const ObjectIdInvalidationMap& invalidation_map) {
-  last_sent_invalidation_map_ = invalidation_map;
-}
-
 }  // namespace syncer