Remove a bunch of dead fields found by Scythe.

media/filters/dummy_demuxer.cc

 // 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.
 
 #include "media/filters/dummy_demuxer.h"
 
 #include "base/logging.h"
 
 namespace media {
 
@@ skipping 18 matching lines @@
 }
 
 void DummyDemuxerStream::Read(const ReadCB& read_cb) {}
 
 void DummyDemuxerStream::EnableBitstreamConverter() {}
 
 Ranges<base::TimeDelta> DummyDemuxerStream::GetBufferedRanges() {
   return Ranges<base::TimeDelta>();
 }
 
-DummyDemuxer::DummyDemuxer(bool has_video, bool has_audio)
-    : has_video_(has_video),
-      has_audio_(has_audio) {
+DummyDemuxer::DummyDemuxer(bool has_video, bool has_audio) {
   streams_.resize(DemuxerStream::NUM_TYPES);
   if (has_audio)
     streams_[DemuxerStream::AUDIO] =
         new DummyDemuxerStream(DemuxerStream::AUDIO);
   if (has_video)
     streams_[DemuxerStream::VIDEO] =
         new DummyDemuxerStream(DemuxerStream::VIDEO);
 }
 
 void DummyDemuxer::Initialize(DemuxerHost* host,
@@ skipping 10 matching lines @@
   return base::TimeDelta();
 }
 
 int DummyDemuxer::GetBitrate() {
   return 0;
 }
 
 DummyDemuxer::~DummyDemuxer() {}
 
 }  // namespace media