Sync: Refactoring of DEVICE_INFO syncable type - Part 1

chrome/browser/sync/glue/local_device_info_provider_impl.h

+// Copyright 2014 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 CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
+#define CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_
+
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/sync/glue/device_info.h"
+#include "chrome/browser/sync/glue/local_device_info_provider.h"
+
+namespace browser_sync {
+
+class LocalDeviceInfoProviderImpl : public LocalDeviceInfoProvider {
+ public:
+  LocalDeviceInfoProviderImpl();
+  virtual ~LocalDeviceInfoProviderImpl();
+
+  // LocalDeviceInfoProvider implementation.
+  virtual const DeviceInfo* GetLocalDeviceInfo() const OVERRIDE;
+  virtual std::string GetLocalSyncCacheGUID() const OVERRIDE;
+  virtual void Initialize(const std::string& cache_guid) OVERRIDE;
+  virtual scoped_ptr<Subscription> RegisterOnInitializedCallback(
+    const base::Closure& callback) OVERRIDE;
+
+ private:
+  void InitializeContinuation(const DeviceInfo& local_info);
+
+  std::string cache_guid_;
+  scoped_ptr<DeviceInfo> local_device_info_;
+  base::CallbackList<void(void)> callback_list_;
+  base::WeakPtrFactory<LocalDeviceInfoProviderImpl> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(LocalDeviceInfoProviderImpl);
+};
+
+}  // namespace browser_sync
+
+#endif  // CHROME_BROWSER_SYNC_GLUE_LOCAL_DEVICE_INFO_PROVIDER_IMPL_H_