Change NeedKeyCB to use std::vector.

media/filters/chunk_demuxer.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_FILTERS_CHUNK_DEMUXER_H_
 #define MEDIA_FILTERS_CHUNK_DEMUXER_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 16 matching lines @@
 // Demuxer implementation that allows chunks of media data to be passed
 // from JavaScript to the media stack.
 class MEDIA_EXPORT ChunkDemuxer : public Demuxer {
  public:
   enum Status {
     kOk,              // ID added w/o error.
     kNotSupported,    // Type specified is not supported.
     kReachedIdLimit,  // Reached ID limit. We can't handle any more IDs.
   };
 
-  typedef base::Callback<void(const std::string& type,
-                              scoped_ptr<uint8[]> init_data,
-                              int init_data_size)> NeedKeyCB;
-
   // |open_cb| Run when Initialize() is called to signal that the demuxer
   //   is ready to receive media data via AppenData().
   // |need_key_cb| Run when the demuxer determines that an encryption key is
   //   needed to decrypt the content.
   // |add_text_track_cb| Run when demuxer detects the presence of an inband
   //   text track.
   // |log_cb| Run when parsing error messages need to be logged to the error
   //   console.
   ChunkDemuxer(const base::Closure& open_cb,
                const NeedKeyCB& need_key_cb,
@@ skipping 208 matching lines @@
   // removed with RemoveID() but can not be re-added (yet).
   std::string source_id_audio_;
   std::string source_id_video_;
 
   DISALLOW_COPY_AND_ASSIGN(ChunkDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_CHUNK_DEMUXER_H_