Fix mp4 keyframe parsing, removing unused stss parsing.

media/formats/mp4/track_run_iterator.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_FORMATS_MP4_TRACK_RUN_ITERATOR_H_
 #define MEDIA_FORMATS_MP4_TRACK_RUN_ITERATOR_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 62 matching lines @@
   const AudioSampleEntry& audio_description() const;
   const VideoSampleEntry& video_description() const;
 
   // Properties of the current sample. Only valid if IsSampleValid().
   int64 sample_offset() const;
   int sample_size() const;
   DecodeTimestamp dts() const;
   base::TimeDelta cts() const;
   base::TimeDelta duration() const;
   bool is_keyframe() const;
-  bool is_random_access_point() const;
 
   // Only call when is_encrypted() is true and AuxInfoNeedsToBeCached() is
   // false. Result is owned by caller.
   scoped_ptr<DecryptConfig> GetDecryptConfig();
 
  private:
   void ResetRun();
   const TrackEncryption& track_encryption() const;
 
   uint32 GetGroupDescriptionIndex(uint32 sample_index) const;
@@ skipping 15 matching lines @@
   int64 sample_dts_;
   int64 sample_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(TrackRunIterator);
 };
 
 }  // namespace mp4
 }  // namespace media
 
 #endif  // MEDIA_FORMATS_MP4_TRACK_RUN_ITERATOR_H_