Remove CommandLine dependency from the Linux's AudioCapturer.

remoting/host/chromoting_host_context.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 "remoting/host/chromoting_host_context.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/threading/thread.h"
@@ skipping 95 matching lines @@
 base::SingleThreadTaskRunner* ChromotingHostContext::ui_task_runner() {
   return ui_task_runner_;
 }
 
 const scoped_refptr<net::URLRequestContextGetter>&
 ChromotingHostContext::url_request_context_getter() {
   DCHECK(url_request_context_getter_.get());
   return url_request_context_getter_;
 }
 
+#if defined(OS_LINUX)
+FilePath& ChromotingHostContext::audio_capturer_pipe() {
+  return audio_capturer_pipe_;
+}
+
+void ChromotingHostContext::set_audio_capturer_pipe(const FilePath& value) {
+  DCHECK(ui_task_runner_->BelongsToCurrentThread());
+  audio_capturer_pipe_ = value;
+}
+#endif  // OS_LINUX
+
 }  // namespace remoting