Fix EOS buffer handling in spork.

media/mojo/services/mojo_demuxer_stream_adapter.cc

 // 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.
 
 #include "media/mojo/services/mojo_demuxer_stream_adapter.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "media/base/decoder_buffer.h"
 #include "media/mojo/services/media_type_converters.h"
@@ skipping 115 matching lines @@
 
     if (type_ == DemuxerStream::AUDIO) {
       audio_config_queue_.pop();
       if (audio_config_queue_.empty())
         return;
     } else if (type_ == DemuxerStream::VIDEO) {
       video_config_queue_.pop();
       if (video_config_queue_.empty())
         return;
     }
-  } else if (status == mojo::DemuxerStream::STATUS_OK) {
+  } else if (status == mojo::DemuxerStream::STATUS_OK &&
+             !media_buffer->end_of_stream()) {
     DCHECK_GT(media_buffer->data_size(), 0);
 
     // Read the inner data for the DecoderBuffer from our DataPipe.
     uint32_t num_bytes = media_buffer->data_size();
     CHECK_EQ(ReadDataRaw(stream_pipe_.get(), media_buffer->writable_data(),
                          &num_bytes, MOJO_READ_DATA_FLAG_ALL_OR_NONE),
              MOJO_RESULT_OK);
     CHECK_EQ(num_bytes, static_cast<uint32_t>(media_buffer->data_size()));
   }
 
   read_cb_.Run(media_status, media_buffer);
   read_cb_.Reset();
 }
 
 }  // namespace media