Download Service : Added leveldb proto layer

components/download/internal/test/noop_store.h

 // Copyright 2017 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 COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
-#define COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
+#ifndef COMPONENTS_DOWNLOAD_INTERNAL_TEST_NOOP_STORE_H_
+#define COMPONENTS_DOWNLOAD_INTERNAL_TEST_NOOP_STORE_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "components/download/internal/store.h"
 
 namespace download {
 
 struct Entry;
 
 // A Store implementation that doesn't do anything but honors the interface
 // requirements.
 // TODO(dtrainor, shaktisahu): Remove this if it's no longer necessary after the
 // real Store implementation is added.
 class NoopStore : public Store {
  public:
   NoopStore();
   ~NoopStore() override;
 
   // Store implementation.
   bool IsInitialized() override;
-  void Initialize(InitCallback callback) override;
-  void Destroy(StoreCallback callback) override;
-  void Update(const Entry& entry, StoreCallback callback) override;
-  void Remove(const std::string& guid, StoreCallback callback) override;
+  void Initialize(const InitCallback& callback) override;
+  void Destroy(const StoreCallback& callback) override;
+  void Update(const Entry& entry, const StoreCallback& callback) override;
+  void Remove(const std::string& guid, const StoreCallback& callback) override;
 
  private:
-  void OnInitFinished(InitCallback callback);
+  void OnInitFinished(const InitCallback& callback);
 
   // Whether or not this Store is 'initialized.'  Just gets set to |true| once
   // Initialize() is called.
   bool initialized_;
 
   base::WeakPtrFactory<NoopStore> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NoopStore);
 };
 
 }  // namespace download
 
-#endif  // COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
+#endif  // COMPONENTS_DOWNLOAD_INTERNAL_TEST_NOOP_STORE_H_