Removing DataSource from Filter hierarchy

media/base/filters.cc

 // Copyright (c) 2011 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/base/filters.h"
 
 #include "base/logging.h"
 
 namespace media {
 
-// static
-const size_t DataSource::kReadError = static_cast<size_t>(-1);
-
 void ResetAndRunCB(FilterStatusCB* cb, PipelineStatus status) {
   DCHECK(!cb->is_null());
   FilterStatusCB tmp_cb(*cb);
   cb->Reset();
   tmp_cb.Run(status);
 }
 
 void ResetAndRunCB(base::Closure* cb) {
   DCHECK(!cb->is_null());
   base::Closure tmp_cb(*cb);
@@ skipping 56 matching lines @@
 
 AudioDecoder::AudioDecoder() {}
 
 AudioDecoder::~AudioDecoder() {}
 
 void AudioDecoder::ConsumeAudioSamples(scoped_refptr<Buffer> buffer) {
   consume_audio_samples_callback_.Run(buffer);
 }
 
 }  // namespace media