media: Remove Browser CDM implementation

content/renderer/media/cdm/renderer_cdm_manager.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 CONTENT_RENDERER_MEDIA_CDM_RENDERER_CDM_MANAGER_H_
-#define CONTENT_RENDERER_MEDIA_CDM_RENDERER_CDM_MANAGER_H_
-
-#include <stdint.h>
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "content/common/media/cdm_messages_enums.h"
-#include "content/public/renderer/render_frame_observer.h"
-#include "media/base/media_keys.h"
-#include "url/gurl.h"
-
-namespace blink {
-class WebFrame;
-}
-
-namespace content {
-
-class ProxyMediaKeys;
-
-// Class for managing all the CDM objects in the same RenderFrame.
-class RendererCdmManager : public RenderFrameObserver {
- public:
-  // Constructs a RendererCdmManager object for the |render_frame|.
-  explicit RendererCdmManager(RenderFrame* render_frame);
-  ~RendererCdmManager() override;
-
-  // RenderFrameObserver overrides.
-  bool OnMessageReceived(const IPC::Message& msg) override;
-
-  // Encrypted media related methods.
-  void InitializeCdm(int cdm_id,
-                     uint32_t promise_id,
-                     ProxyMediaKeys* media_keys,
-                     const std::string& key_system,
-                     const GURL& security_origin,
-                     bool use_hw_secure_codecs);
-  void SetServerCertificate(int cdm_id,
-                            uint32_t promise_id,
-                            const std::vector<uint8_t>& certificate);
-  void CreateSessionAndGenerateRequest(
-      int cdm_id,
-      uint32_t promise_id,
-      media::MediaKeys::SessionType session_type,
-      CdmHostMsg_CreateSession_InitDataType init_data_type,
-      const std::vector<uint8_t>& init_data);
-  void LoadSession(int cdm_id,
-                   uint32_t promise_id,
-                   media::MediaKeys::SessionType session_type,
-                   const std::string& session_id);
-  void UpdateSession(int cdm_id,
-                     uint32_t promise_id,
-                     const std::string& session_id,
-                     const std::vector<uint8_t>& response);
-  void CloseSession(int cdm_id,
-                    uint32_t promise_id,
-                    const std::string& session_id);
-  void RemoveSession(int cdm_id,
-                     uint32_t promise_id,
-                     const std::string& session_id);
-  void DestroyCdm(int cdm_id);
-
-  // Registers a ProxyMediaKeys object. Returns allocated CDM ID.
-  int RegisterMediaKeys(ProxyMediaKeys* media_keys);
-
-  // Unregisters a ProxyMediaKeys object identified by |cdm_id|.
-  void UnregisterMediaKeys(int cdm_id);
-
- private:
-  // RenderFrameObserver implementation.
-  void OnDestruct() override;
-
-  // Gets the pointer to ProxyMediaKeys given the |cdm_id|.
-  ProxyMediaKeys* GetMediaKeys(int cdm_id);
-
-  // Message handlers.
-  void OnSessionMessage(int cdm_id,
-                        const std::string& session_id,
-                        media::MediaKeys::MessageType message_type,
-                        const std::vector<uint8_t>& message);
-  void OnSessionClosed(int cdm_id, const std::string& session_id);
-  void OnSessionKeysChange(
-      int cdm_id,
-      const std::string& session_id,
-      bool has_additional_usable_key,
-      const std::vector<media::CdmKeyInformation>& key_info_vector);
-  void OnSessionExpirationUpdate(int cdm_id,
-                                 const std::string& session_id,
-                                 const base::Time& new_expiry_time);
-
-  void OnPromiseResolved(int cdm_id, uint32_t promise_id);
-  void OnPromiseResolvedWithSession(int cdm_id,
-                                    uint32_t promise_id,
-                                    const std::string& session_id);
-  void OnPromiseRejected(int cdm_id,
-                         uint32_t promise_id,
-                         media::MediaKeys::Exception exception,
-                         uint32_t system_code,
-                         const std::string& error_message);
-
-  // CDM ID should be unique per renderer frame.
-  // TODO(xhwang): Use uint32_t to prevent undefined overflow behavior.
-  int next_cdm_id_;
-
-  // CDM ID to ProxyMediaKeys mapping.
-  std::map<int, ProxyMediaKeys*> proxy_media_keys_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(RendererCdmManager);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_CDM_RENDERER_CDM_MANAGER_H_