Fix yet another instance of scoped_ptr<T>(NULL) on ChromeOS.

media/audio/cras/cras_unified.cc

 // Copyright 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/audio/cras/cras_unified.h"
 
 #include <cras_client.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 69 matching lines @@
 CrasUnifiedStream::CrasUnifiedStream(const AudioParameters& params,
                                      AudioManagerCras* manager)
     : client_(NULL),
       stream_id_(0),
       params_(params),
       bytes_per_frame_(0),
       is_playing_(false),
       volume_(1.0),
       manager_(manager),
       source_callback_(NULL),
-      input_bus_(NULL),
-      output_bus_(NULL),
       stream_direction_(CRAS_STREAM_OUTPUT) {
   DCHECK(manager_);
   DCHECK(params_.channels()  > 0);
 
   // Must have at least one input or output.  If there are both they must be the
   // same.
   int input_channels = params_.input_channels();
 
   if (input_channels) {
     // A unified stream for input and output.
@@ skipping 258 matching lines @@
   return frames_filled;
 }
 
 void CrasUnifiedStream::NotifyStreamError(int err) {
   // This will remove the stream from the client.
   if (source_callback_)
     source_callback_->OnError(this);
 }
 
 }  // namespace media