Revert of Move some sync/notifier to components/invalidation

sync/notifier/fake_invalidator.h

Index: sync/notifier/fake_invalidator.h
diff --git a/sync/notifier/fake_invalidator.h b/sync/notifier/fake_invalidator.h
new file mode 100644
index 0000000000000000000000000000000000000000..c94f82fbf1c52f5c3ef07afbbf900afb4fb4b6e1
--- /dev/null
+++ b/sync/notifier/fake_invalidator.h
@@ -0,0 +1,53 @@
+// 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.
+
+#ifndef SYNC_NOTIFIER_FAKE_INVALIDATOR_H_
+#define SYNC_NOTIFIER_FAKE_INVALIDATOR_H_
+
+#include <string>
+
+#include "base/callback_forward.h"
+#include "base/compiler_specific.h"
+#include "sync/notifier/invalidation_util.h"
+#include "sync/notifier/invalidator.h"
+#include "sync/notifier/invalidator_registrar.h"
+
+namespace syncer {
+
+class FakeInvalidator : public Invalidator {
+ public:
+  FakeInvalidator();
+  virtual ~FakeInvalidator();
+
+  bool IsHandlerRegistered(InvalidationHandler* handler) const;
+  ObjectIdSet GetRegisteredIds(InvalidationHandler* handler) const;
+  const std::string& GetUniqueId() const;
+  const std::string& GetCredentialsEmail() const;
+  const std::string& GetCredentialsToken() const;
+
+  void EmitOnInvalidatorStateChange(InvalidatorState state);
+  void EmitOnIncomingInvalidation(
+      const ObjectIdInvalidationMap& invalidation_map);
+
+  virtual void RegisterHandler(InvalidationHandler* handler) OVERRIDE;
+  virtual void UpdateRegisteredIds(InvalidationHandler* handler,
+                                   const ObjectIdSet& ids) OVERRIDE;
+  virtual void UnregisterHandler(InvalidationHandler* handler) OVERRIDE;
+  virtual InvalidatorState GetInvalidatorState() const OVERRIDE;
+  virtual void UpdateCredentials(
+      const std::string& email, const std::string& token) OVERRIDE;
+  virtual void RequestDetailedStatus(
+    base::Callback<void(const base::DictionaryValue&)> callback) const
+    OVERRIDE;
+
+ private:
+  InvalidatorRegistrar registrar_;
+  std::string state_;
+  std::string email_;
+  std::string token_;
+};
+
+}  // namespace syncer
+
+#endif  // SYNC_NOTIFIER_FAKE_INVALIDATOR_H_