Add default impl for DemuxerStream::EnableBitstreamConverter();

media/filters/fake_demuxer_stream.cc

 // Copyright (c) 2013 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/fake_demuxer_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 71 matching lines @@
   DCHECK(task_runner_->BelongsToCurrentThread());
   return video_decoder_config_;
 }
 
 // TODO(xhwang): Support audio if needed.
 DemuxerStream::Type FakeDemuxerStream::type() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   return VIDEO;
 }
 
-void FakeDemuxerStream::EnableBitstreamConverter() {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-}
-
 bool FakeDemuxerStream::SupportsConfigChanges() {
   return config_changes_;
 }
 
 VideoRotation FakeDemuxerStream::video_rotation() {
   return VIDEO_ROTATION_0;
 }
 
 void FakeDemuxerStream::HoldNextRead() {
   DCHECK(task_runner_->BelongsToCurrentThread());
@@ skipping 84 matching lines @@
 
   num_buffers_left_in_current_config_--;
   if (num_buffers_left_in_current_config_ == 0)
     num_configs_left_--;
 
   num_buffers_returned_++;
   base::ResetAndReturn(&read_cb_).Run(kOk, buffer);
 }
 
 }  // namespace media