Add MediaKeys::GetCdmId().

content/renderer/media/cdm_session_adapter.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_SESSION_ADAPTER_H_
 #define CONTENT_RENDERER_MEDIA_CDM_SESSION_ADAPTER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 119 matching lines @@
                       const std::string& error_message);
 
   // Helper function of the callbacks.
   WebContentDecryptionModuleSessionImpl* GetSession(
       const std::string& web_session_id);
 
   scoped_ptr<media::MediaKeys> media_keys_;
 
   SessionMap sessions_;
 
-#if defined(ENABLE_BROWSER_CDMS)
-  int cdm_id_;
-#endif
-
   std::string key_system_uma_prefix_;
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<CdmSessionAdapter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CdmSessionAdapter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_CDM_SESSION_ADAPTER_H_