Make AudioDecoderConfig copyable.

media/base/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_BASE_DECRYPTOR_H_
 #define MEDIA_BASE_DECRYPTOR_H_
 
 #include <list>
 #include <string>
 
@@ skipping 121 matching lines @@
   virtual void CancelDecrypt(StreamType stream_type) = 0;
 
   // Indicates completion of audio/video decoder initialization.
   //
   // First Parameter: Indicates initialization success.
   // - Set to true if initialization was successful. False if an error occurred.
   typedef base::Callback<void(bool)> DecoderInitCB;
 
   // Initializes a decoder with the given |config|, executing the |init_cb|
   // upon completion.
-  virtual void InitializeAudioDecoder(scoped_ptr<AudioDecoderConfig> config,
+  virtual void InitializeAudioDecoder(const AudioDecoderConfig& config,
                                       const DecoderInitCB& init_cb) = 0;
   virtual void InitializeVideoDecoder(const VideoDecoderConfig& config,
                                       const DecoderInitCB& init_cb) = 0;
 
   // Helper structure for managing multiple decoded audio buffers per input.
   // TODO(xhwang): Rename this to AudioFrames.
   typedef std::list<scoped_refptr<DataBuffer> > AudioBuffers;
 
   // Indicates completion of audio/video decrypt-and-decode operation.
   //
@@ skipping 81 matching lines @@
 
 typedef base::Callback<void(const std::string& key_system,
                             const std::string& session_id,
                             const std::string& type,
                             scoped_array<uint8> init_data,
                             int init_data_size)> NeedKeyCB;
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_DECRYPTOR_H_