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diff --git a/www/chromium-uc/files/hid_service_fido.h b/www/chromium-uc/files/hid_service_fido.h
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+// Copyright 2020 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 SERVICE_DEVICE_HID_HID_SERVICE_FIDO_H_
+#define SERVICE_DEVICE_HID_HID_SERVICE_FIDO_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "services/device/hid/hid_service.h"
+
+namespace device {
+
+class HidServiceFido : public HidService {
+public:
+  HidServiceFido();
+  ~HidServiceFido() override;
+
+  void Connect(const std::string &device_guid,
+               bool allow_protected_reports,
+               bool allow_fido_reports,
+               ConnectCallback connect) override;
+  base::WeakPtr<HidService> GetWeakPtr() override;
+
+private:
+  class BlockingTaskHelper;
+  const scoped_refptr<base::SequencedTaskRunner> task_runner_;
+  const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
+  base::WeakPtrFactory<HidServiceFido> weak_factory_;
+  // |helper_| lives on the sequence |blocking_task_runner_| posts to and holds
+  // a weak reference back to the service that owns it.
+  std::unique_ptr<BlockingTaskHelper> helper_;
+
+  DISALLOW_COPY_AND_ASSIGN(HidServiceFido);
+};
+
+} // namespace device
+
+#endif // SERVICE_DEVICE_HID_HID_SERVICE_FIDO_H_