Set callback interface on WebCDMSessionImpl after creation.

content/renderer/media/cdm_session_adapter.cc

 // 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.
 
 #include "content/renderer/media/cdm_session_adapter.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
 #include "base/stl_util.h"
@@ skipping 33 matching lines @@
 #endif  // defined(ENABLE_PEPPER_CDMS)
       base::Bind(&CdmSessionAdapter::OnSessionMessage, weak_this),
       base::Bind(&CdmSessionAdapter::OnSessionReady, weak_this),
       base::Bind(&CdmSessionAdapter::OnSessionClosed, weak_this),
       base::Bind(&CdmSessionAdapter::OnSessionError, weak_this));
 
   // Success if |media_keys_| created.
   return media_keys_;
 }
 
-WebContentDecryptionModuleSessionImpl* CdmSessionAdapter::CreateSession(
-    blink::WebContentDecryptionModuleSession::Client* client) {
-  return new WebContentDecryptionModuleSessionImpl(client, this);
+WebContentDecryptionModuleSessionImpl* CdmSessionAdapter::CreateSession() {
+  return new WebContentDecryptionModuleSessionImpl(this);
 }
 
 bool CdmSessionAdapter::RegisterSession(
     const std::string& web_session_id,
     base::WeakPtr<WebContentDecryptionModuleSessionImpl> session) {
   // If this session ID is already registered, don't register it again.
   if (ContainsKey(sessions_, web_session_id))
     return false;
 
   sessions_[web_session_id] = session;
@@ skipping 84 matching lines @@
 WebContentDecryptionModuleSessionImpl* CdmSessionAdapter::GetSession(
     const std::string& web_session_id) {
   // Since session objects may get garbage collected, it is possible that there
   // are events coming back from the CDM and the session has been unregistered.
   // We can not tell if the CDM is firing events at sessions that never existed.
   SessionMap::iterator session = sessions_.find(web_session_id);
   return (session != sessions_.end()) ? session->second.get() : NULL;
 }
 
 }  // namespace content