media: Make MediaKeys ref-counted.

media/mojo/services/mojo_cdm.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 MEDIA_MOJO_SERVICES_MOJO_CDM_H_
 #define MEDIA_MOJO_SERVICES_MOJO_CDM_H_
 
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 23 matching lines @@
       const GURL& security_origin,
       const media::CdmConfig& cdm_config,
       interfaces::ContentDecryptionModulePtr remote_cdm,
       const media::SessionMessageCB& session_message_cb,
       const media::SessionClosedCB& session_closed_cb,
       const media::LegacySessionErrorCB& legacy_session_error_cb,
       const media::SessionKeysChangeCB& session_keys_change_cb,
       const media::SessionExpirationUpdateCB& session_expiration_update_cb,
       const media::CdmCreatedCB& cdm_created_cb);
 
-  ~MojoCdm() final;
-
   // MediaKeys implementation.
   void SetServerCertificate(const std::vector<uint8_t>& certificate,
                             scoped_ptr<SimpleCdmPromise> promise) final;
   void CreateSessionAndGenerateRequest(
       SessionType session_type,
       EmeInitDataType init_data_type,
       const std::vector<uint8_t>& init_data,
       scoped_ptr<NewSessionCdmPromise> promise) final;
   void LoadSession(SessionType session_type,
                    const std::string& session_id,
@@ skipping 12 matching lines @@
   int GetCdmId() const final;
 
  private:
   MojoCdm(interfaces::ContentDecryptionModulePtr remote_cdm,
           const SessionMessageCB& session_message_cb,
           const SessionClosedCB& session_closed_cb,
           const LegacySessionErrorCB& legacy_session_error_cb,
           const SessionKeysChangeCB& session_keys_change_cb,
           const SessionExpirationUpdateCB& session_expiration_update_cb);
 
+  ~MojoCdm() final;
+
   void InitializeCdm(const std::string& key_system,
                      const GURL& security_origin,
                      const media::CdmConfig& cdm_config,
                      scoped_ptr<CdmInitializedPromise> promise);
 
   // interfaces::ContentDecryptionModuleClient implementation.
   void OnSessionMessage(const mojo::String& session_id,
                         interfaces::CdmMessageType message_type,
                         mojo::Array<uint8_t> message,
                         const mojo::String& legacy_destination_url) final;
@@ skipping 42 matching lines @@
   SessionExpirationUpdateCB session_expiration_update_cb_;
 
   base::WeakPtrFactory<MojoCdm> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoCdm);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_CDM_H_