Motown: Improvements to packet definition

services/media/framework_ffmpeg/ffmpeg_audio_decoder.h

 // Copyright 2016 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 SERVICES_MEDIA_FRAMEWORK_FFMPEG_FFMPEG_AUDIO_DECODER_H_
 #define SERVICES_MEDIA_FRAMEWORK_FFMPEG_FFMPEG_AUDIO_DECODER_H_
 
 #include "services/media/framework/lpcm_util.h"
 #include "services/media/framework_ffmpeg/ffmpeg_decoder_base.h"
 
@@ skipping 94 matching lines @@
   // avcodec_decode_audio4.
   PayloadAllocator* allocator_;
 
   // For interleaving, if needed.
   std::unique_ptr<LpcmUtil> lpcm_util_;
 
   // For interleaving, if needed.
   std::unique_ptr<StreamType> stream_type_;
 
   // Used to supply missing PTS.
-  int64_t next_presentation_time_= Packet::kUnknownPresentationTime;
+  int64_t next_pts_= Packet::kUnknownPts;
 };
 
 }  // namespace media
 }  // namespace mojo
 
 #endif // SERVICES_MEDIA_FRAMEWORK_FFMPEG_FFMPEG_AUDIO_DECODER_H_