Separate CDM initialization from GenerateKeyRequest & remove key_system parameters.

media/crypto/aes_decryptor.h

 // Copyright (c) 2012 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_CRYPTO_AES_DECRYPTOR_H_
 #define MEDIA_CRYPTO_AES_DECRYPTOR_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 16 matching lines @@
 // encryption must be CTR with a key size of 128bits.
 class MEDIA_EXPORT AesDecryptor : public MediaKeys, public Decryptor {
  public:
   AesDecryptor(const KeyAddedCB& key_added_cb,
                const KeyErrorCB& key_error_cb,
                const KeyMessageCB& key_message_cb,
                const NeedKeyCB& need_key_cb);
   virtual ~AesDecryptor();
 
   // MediaKeys implementation.
-  virtual bool GenerateKeyRequest(const std::string& key_system,
-                                  const std::string& type,
+  virtual bool GenerateKeyRequest(const std::string& type,
                                   const uint8* init_data,
                                   int init_data_length) OVERRIDE;
-  virtual void AddKey(const std::string& key_system,
-                      const uint8* key, int key_length,
+  virtual void AddKey(const uint8* key, int key_length,
                       const uint8* init_data, int init_data_length,
                       const std::string& session_id) OVERRIDE;
-  virtual void CancelKeyRequest(const std::string& key_system,
-                                const std::string& session_id) OVERRIDE;
+  virtual void CancelKeyRequest(const std::string& session_id) OVERRIDE;
 
   // Decryptor implementation.
   virtual MediaKeys* GetMediaKeys() OVERRIDE;
   virtual void RegisterNewKeyCB(StreamType stream_type,
                                 const NewKeyCB& key_added_cb) OVERRIDE;
   virtual void Decrypt(StreamType stream_type,
                        const scoped_refptr<DecoderBuffer>& encrypted,
                        const DecryptCB& decrypt_cb) OVERRIDE;
   virtual void CancelDecrypt(StreamType stream_type) OVERRIDE;
   virtual void InitializeAudioDecoder(const AudioDecoderConfig& config,
@@ skipping 63 matching lines @@
 
   NewKeyCB new_audio_key_cb_;
   NewKeyCB new_video_key_cb_;
 
   DISALLOW_COPY_AND_ASSIGN(AesDecryptor);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CRYPTO_AES_DECRYPTOR_H_