[Chromecast][Clean-Up] Remove CastCdmProxy.

chromecast/media/cdm/cast_cdm_proxy.h

-// Copyright 2016 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 CHROMECAST_MEDIA_CDM_CAST_CDM_PROXY_H_
-#define CHROMECAST_MEDIA_CDM_CAST_CDM_PROXY_H_
-
-#include <stdint.h>
-
-#include "base/threading/thread_checker.h"
-#include "chromecast/media/cdm/cast_cdm.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace chromecast {
-namespace media {
-
-// MediaKeys implementation that lives on the UI thread and forwards all calls
-// to a CastCdm instance on the CMA thread. This is used to simplify the
-// UI-CMA threading interaction.
-// TODO(slan): Remove this class when CMA is deprecated.
-class CastCdmProxy : public ::media::MediaKeys {
- public:
-  CastCdmProxy(const scoped_refptr<CastCdm>& cast_cdm,
-               const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
-
-  // Returns the CDM instance which lives on the CMA thread.
-  CastCdm* cast_cdm() const;
-
- private:
-  ~CastCdmProxy() override;
-
-  // ::media::MediaKeys implementation:
-  void SetServerCertificate(
-      const std::vector<uint8_t>& certificate,
-      std::unique_ptr<::media::SimpleCdmPromise> promise) override;
-  void CreateSessionAndGenerateRequest(
-      ::media::MediaKeys::SessionType session_type,
-      ::media::EmeInitDataType init_data_type,
-      const std::vector<uint8_t>& init_data,
-      std::unique_ptr<::media::NewSessionCdmPromise> promise) override;
-  void LoadSession(
-      ::media::MediaKeys::SessionType session_type,
-      const std::string& session_id,
-      std::unique_ptr<::media::NewSessionCdmPromise> promise) override;
-  void UpdateSession(
-      const std::string& session_id,
-      const std::vector<uint8_t>& response,
-      std::unique_ptr<::media::SimpleCdmPromise> promise) override;
-  void CloseSession(
-      const std::string& session_id,
-      std::unique_ptr<::media::SimpleCdmPromise> promise) override;
-  void RemoveSession(
-      const std::string& session_id,
-      std::unique_ptr<::media::SimpleCdmPromise> promise) override;
-  ::media::CdmContext* GetCdmContext() override;
-
-  scoped_refptr<CastCdm> cast_cdm_;
-  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
-
-  base::ThreadChecker thread_checker_;
-
-  DISALLOW_COPY_AND_ASSIGN(CastCdmProxy);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CDM_CAST_CDM_PROXY_H_