Remove CommandLine dependency from the Linux's AudioCapturer.

remoting/host/audio_capturer_linux.h

 // 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.
 
 #ifndef REMOTING_HOST_AUDIO_CAPTURER_LINUX_H_
 #define REMOTING_HOST_AUDIO_CAPTURER_LINUX_H_
 
 #include "remoting/host/audio_capturer.h"
 
 #include "base/message_loop.h"
 #include "base/time.h"
 #include "base/timer.h"
 
 class FilePath;
 
 namespace remoting {
 
 class AudioCapturerLinux : public AudioCapturer,
                            public MessageLoopForIO::Watcher {
  public:
+  // Must be called to configure the capturer before the first instance is
+  // created.
+  static void SetPipeName(const FilePath& pipe_name);
+
   explicit AudioCapturerLinux(const FilePath& pipe_name);
   virtual ~AudioCapturerLinux();
 
   // AudioCapturer interface.
   virtual bool Start(const PacketCapturedCallback& callback) OVERRIDE;
   virtual void Stop() OVERRIDE;
   virtual bool IsStarted() OVERRIDE;
 
   // MessageLoopForIO::Watcher interface.
   virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
@@ skipping 18 matching lines @@
   std::string left_over_bytes_;
 
   MessageLoopForIO::FileDescriptorWatcher file_descriptor_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioCapturerLinux);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_AUDIO_CAPTURER_LINUX_H_