Use udev for serial device enumeration on Linux

device/serial/serial_device_enumerator_win.h

Index: device/serial/serial_device_enumerator_win.h
diff --git a/device/serial/serial_device_enumerator_win.h b/device/serial/serial_device_enumerator_win.h
new file mode 100644
index 0000000000000000000000000000000000000000..4d36c40aaf0f8bca3b32d595085c9443084456cb
--- /dev/null
+++ b/device/serial/serial_device_enumerator_win.h
@@ -0,0 +1,28 @@
+// 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.
+
+#ifndef DEVICE_SERIAL_SERIAL_DEVICE_ENUMERATOR_WIN_H_
+#define DEVICE_SERIAL_SERIAL_DEVICE_ENUMERATOR_WIN_H_
+
+#include "device/serial/serial_device_enumerator.h"
+#include "device/serial/serial_device_info.h"
+
+namespace device {
+
+// Discovers and enumerates serial devices available to the host.
+class SerialDeviceEnumeratorWin : public SerialDeviceEnumerator {
+ public:
+  SerialDeviceEnumeratorWin();
+  virtual ~SerialDeviceEnumeratorWin();
+
+  // Implementation for SerialDeviceEnumerator.
+  virtual void GetDevices(SerialDeviceInfoList* devices) OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SerialDeviceEnumeratorWin);
+};
+
+}  // namespace device
+
+#endif  // DEVICE_SERIAL_SERIAL_DEVICE_ENUMERATOR_WIN_H_