media: Use mojo::StrongBinding in mojo media services.

media/mojo/services/mojo_cdm_service.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_SERVICE_H_
 #define MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/media_keys.h"
 #include "media/mojo/interfaces/content_decryption_module.mojom.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_impl.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
 
 namespace media {
 
 // A mojo::ContentDecryptionModule implementation backed by a media::MediaKeys.
-class MojoCdmService
-    : public mojo::InterfaceImpl<mojo::ContentDecryptionModule> {
+class MojoCdmService : public mojo::ContentDecryptionModule {
  public:
-  MojoCdmService(const mojo::String& key_system);
+  MojoCdmService(const mojo::String& key_system,
+                 mojo::InterfaceRequest<mojo::ContentDecryptionModule> request);
   ~MojoCdmService() final;
 
   // mojo::ContentDecryptionModule implementation.
   void SetClient(mojo::ContentDecryptionModuleClientPtr client) final;
   void SetServerCertificate(
       mojo::Array<uint8_t> certificate_data,
       const mojo::Callback<void(mojo::CdmPromiseResultPtr)>& callback) final;
   void CreateSessionAndGenerateRequest(
       mojo::ContentDecryptionModule::SessionType session_type,
       mojo::ContentDecryptionModule::InitDataType init_data_type,
@@ skipping 27 matching lines @@
                            bool has_additional_usable_key,
                            CdmKeysInfo keys_info);
   void OnSessionExpirationUpdate(const std::string& session_id,
                                  const base::Time& new_expiry_time);
   void OnSessionClosed(const std::string& session_id);
   void OnLegacySessionError(const std::string& session_id,
                             MediaKeys::Exception exception,
                             uint32_t system_code,
                             const std::string& error_message);
 
+  mojo::StrongBinding<mojo::ContentDecryptionModule> binding_;
+
   scoped_ptr<MediaKeys> cdm_;
 
   mojo::ContentDecryptionModuleClientPtr client_;
 
   base::WeakPtr<MojoCdmService> weak_this_;
   base::WeakPtrFactory<MojoCdmService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoCdmService);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_