[Sync] Create //components/sync/device_info.

components/sync/device_info/local_device_info_provider.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 COMPONENTS_SYNC_DRIVER_LOCAL_DEVICE_INFO_PROVIDER_H_
-#define COMPONENTS_SYNC_DRIVER_LOCAL_DEVICE_INFO_PROVIDER_H_
+#ifndef COMPONENTS_SYNC_DEVICE_INFO_LOCAL_DEVICE_INFO_PROVIDER_H_
+#define COMPONENTS_SYNC_DEVICE_INFO_LOCAL_DEVICE_INFO_PROVIDER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/callback_list.h"
 
 namespace base {
 class TaskRunner;
 }
 
@@ skipping 37 matching lines @@
   // CallbackList is destroyed.
   virtual std::unique_ptr<Subscription> RegisterOnInitializedCallback(
       const base::Closure& callback) = 0;
 
   // Clears all cached data, returning to an uninitialized state.
   virtual void Clear() = 0;
 };
 
 }  // namespace sync_driver
 
-#endif  // COMPONENTS_SYNC_DRIVER_LOCAL_DEVICE_INFO_PROVIDER_H_
+#endif  // COMPONENTS_SYNC_DEVICE_INFO_LOCAL_DEVICE_INFO_PROVIDER_H_