Replace ProximityAuthUIDelegate with ProximityAuthClient.

components/proximity_auth/webui/cryptauth_enroller_factory_impl.h

-// Copyright 2015 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_PROXIMITY_AUTH_WEBUI_CRYPTAUTH_ENROLLER_FACTORY_IMPL_H
-#define COMPONENTS_PROXIMITY_AUTH_WEBUI_CRYPTAUTH_ENROLLER_FACTORY_IMPL_H
-
-#include "base/memory/scoped_ptr.h"
-#include "components/proximity_auth/cryptauth/cryptauth_enroller.h"
-
-namespace proximity_auth {
-
-class ProximityAuthUIDelegate;
-
-// Implementation of CryptAuthEnrollerFactory with dependencies on Chrome.
-// TODO(tengs): Move this class out of the webui directory when we are ready to
-// do enrollments in Chrome.
-class CryptAuthEnrollerFactoryImpl : public CryptAuthEnrollerFactory {
- public:
-  explicit CryptAuthEnrollerFactoryImpl(ProximityAuthUIDelegate* delegate);
-  ~CryptAuthEnrollerFactoryImpl() override;
-
-  // CryptAuthEnrollerFactory:
-  scoped_ptr<CryptAuthEnroller> CreateInstance() override;
-
- private:
-  // |delegate_| is not owned and must outlive this instance.
-  ProximityAuthUIDelegate* const delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(CryptAuthEnrollerFactoryImpl);
-};
-
-}  // namespace proximity_auth
-
-#endif  // COMPONENTS_PROXIMITY_AUTH_WEBUI_CRYPTAUTH_ENROLLER_FACTORY_IMPL_H