Add "type" in GenerateKeyRequest() and OnNeedKey().

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 17 matching lines @@
 // encryption must be CTR with a key size of 128bits.
 class MEDIA_EXPORT AesDecryptor : public Decryptor {
  public:
   // The AesDecryptor does not take ownership of the |client|. The |client|
   // must be valid throughout the lifetime of the AesDecryptor.
   explicit AesDecryptor(DecryptorClient* client);
   virtual ~AesDecryptor();
 
   // Decryptor implementation.
   virtual bool GenerateKeyRequest(const std::string& key_system,
+                                  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,
                       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;
@@ skipping 63 matching lines @@
   static uint32 next_session_id_;
 
   DecryptorClient* const client_;
 
   DISALLOW_COPY_AND_ASSIGN(AesDecryptor);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CRYPTO_AES_DECRYPTOR_H_