Generalize AesDecryptor to make it more spec compliant.

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 99 matching lines @@
   // false if any can not.
   bool CanEndOfStream_Locked() const;
 
   // StreamParser callbacks.
   void OnStreamParserInitDone(bool success, base::TimeDelta duration);
   bool OnNewConfigs(bool has_audio, bool has_video,
                     const AudioDecoderConfig& audio_config,
                     const VideoDecoderConfig& video_config);
   bool OnAudioBuffers(const StreamParser::BufferQueue& buffers);
   bool OnVideoBuffers(const StreamParser::BufferQueue& buffers);
-  bool OnKeyNeeded(scoped_array<uint8> init_data, int init_data_size);
+  bool OnNeedKey(scoped_array<uint8> init_data, int init_data_size);
   void OnNewMediaSegment(const std::string& source_id,
                          base::TimeDelta start_timestamp);
 
   // Helper functions for calculating GetBufferedRanges().
   bool CopyIntoRanges(
       const SourceBufferStream::TimespanList& timespans,
       Ranges* ranges_out) const;
   void AddIntersectionRange(
       SourceBufferStream::Timespan timespan_a,
       SourceBufferStream::Timespan timespan_b,
@@ skipping 23 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_