Convert //components/sync_driver from scoped_ptr to std::unique_ptr

components/sync_driver/local_device_info_provider_mock.h

Index: components/sync_driver/local_device_info_provider_mock.h
diff --git a/components/sync_driver/local_device_info_provider_mock.h b/components/sync_driver/local_device_info_provider_mock.h
index 8ae2e60d61382186c4ba8f6e1e22cc19857b2a4b..fcbcb15f8ea43eae9915befb485cc1081eb4860e 100644
--- a/components/sync_driver/local_device_info_provider_mock.h
+++ b/components/sync_driver/local_device_info_provider_mock.h
@@ -34,16 +34,16 @@ class LocalDeviceInfoProviderMock
       const std::string& cache_guid,
       const std::string& signin_scoped_device_id,
       const scoped_refptr<base::TaskRunner>& blocking_task_runner) override;
-  scoped_ptr<Subscription> RegisterOnInitializedCallback(
+  std::unique_ptr<Subscription> RegisterOnInitializedCallback(
       const base::Closure& callback) override;
 
-  void Initialize(scoped_ptr<DeviceInfo> local_device_info);
+  void Initialize(std::unique_ptr<DeviceInfo> local_device_info);
   void SetInitialized(bool is_initialized);
 
  private:
   bool is_initialized_;
 
-  scoped_ptr<DeviceInfo> local_device_info_;
+  std::unique_ptr<DeviceInfo> local_device_info_;
   base::CallbackList<void(void)> callback_list_;
 };