Minor cleanup of DecoderStreamTraits.

media/filters/decoder_stream_traits.h

 // Copyright 2014 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_DECODER_STREAM_TRAITS_H_
 #define MEDIA_FILTERS_DECODER_STREAM_TRAITS_H_
 
 #include "media/base/demuxer_stream.h"
 #include "media/base/pipeline_status.h"
 
@@ skipping 18 matching lines @@
   typedef DecryptingAudioDecoder DecryptingDecoderType;
   typedef base::Callback<void(bool success)> StreamInitCB;
   typedef base::Callback<void(const scoped_refptr<OutputType>&)> OutputCB;
 
   static std::string ToString();
   static void Initialize(DecoderType* decoder,
                          const DecoderConfigType& config,
                          bool low_delay,
                          const PipelineStatusCB& status_cb,
                          const OutputCB& output_cb);
-  static bool FinishInitialization(const StreamInitCB& init_cb,
-                                   DecoderType* decoder,
-                                   DemuxerStream* stream);
+  static bool NeedsBitstreamConversion(DecoderType* decoder) { return false; }
   static void ReportStatistics(const StatisticsCB& statistics_cb,
                                int bytes_decoded);
   static DecoderConfigType GetDecoderConfig(DemuxerStream& stream);
   static scoped_refptr<OutputType> CreateEOSOutput();
 };
 
 template <>
 struct DecoderStreamTraits<DemuxerStream::VIDEO> {
   typedef VideoFrame OutputType;
   typedef VideoDecoder DecoderType;
   typedef VideoDecoderConfig DecoderConfigType;
   typedef DecryptingVideoDecoder DecryptingDecoderType;
   typedef base::Callback<void(bool success)> StreamInitCB;
   typedef base::Callback<void(const scoped_refptr<OutputType>&)> OutputCB;
 
   static std::string ToString();
   static void Initialize(DecoderType* decoder,
                          const DecoderConfigType& config,
                          bool low_delay,
                          const PipelineStatusCB& status_cb,
                          const OutputCB& output_cb);
-  static bool FinishInitialization(const StreamInitCB& init_cb,
-                                   DecoderType* decoder,
-                                   DemuxerStream* stream);
+  static bool NeedsBitstreamConversion(DecoderType* decoder);
   static void ReportStatistics(const StatisticsCB& statistics_cb,
                                int bytes_decoded);
   static DecoderConfigType GetDecoderConfig(DemuxerStream& stream);
   static scoped_refptr<OutputType> CreateEOSOutput();
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECODER_STREAM_TRAITS_H_