Revert of Move some sync/notifier to components/invalidation

sync/notifier/fake_invalidation_handler.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/fake_invalidation_handler.h"
+
+namespace syncer {
+
+FakeInvalidationHandler::FakeInvalidationHandler()
+    : state_(DEFAULT_INVALIDATION_ERROR),
+      invalidation_count_(0) {}
+
+FakeInvalidationHandler::~FakeInvalidationHandler() {}
+
+InvalidatorState FakeInvalidationHandler::GetInvalidatorState() const {
+  return state_;
+}
+
+const ObjectIdInvalidationMap&
+FakeInvalidationHandler::GetLastInvalidationMap() const {
+  return last_invalidation_map_;
+}
+
+int FakeInvalidationHandler::GetInvalidationCount() const {
+  return invalidation_count_;
+}
+
+void FakeInvalidationHandler::OnInvalidatorStateChange(InvalidatorState state) {
+  state_ = state;
+}
+
+void FakeInvalidationHandler::OnIncomingInvalidation(
+    const ObjectIdInvalidationMap& invalidation_map) {
+  last_invalidation_map_ = invalidation_map;
+  ++invalidation_count_;
+}
+
+std::string FakeInvalidationHandler::GetOwnerName() const { return "Fake"; }
+
+}  // namespace syncer