Convert SerialDeviceInfo to a Mojo struct.

device/serial/serial_device_enumerator_linux.h

 // 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_LINUX_H_
 #define DEVICE_SERIAL_SERIAL_DEVICE_ENUMERATOR_LINUX_H_
 
 #include <libudev.h>
 
 #include "base/memory/scoped_ptr.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 SerialDeviceEnumeratorLinux : public SerialDeviceEnumerator {
  public:
   SerialDeviceEnumeratorLinux();
   virtual ~SerialDeviceEnumeratorLinux();
 
   // Implementation for SerialDeviceEnumerator.
-  virtual void GetDevices(SerialDeviceInfoList* devices) OVERRIDE;
+  virtual mojo::Array<SerialDeviceInfoPtr> GetDevices() OVERRIDE;
 
  private:
   struct UdevDeleter {
     void operator()(udev* handle);
   };
 
   scoped_ptr<udev, UdevDeleter> udev_;
 
   DISALLOW_COPY_AND_ASSIGN(SerialDeviceEnumeratorLinux);
 };
 
 }  // namespace device
 
-#endif  // DEVICE_SERIAL_SERIAL_DEVICE_ENUMERATOR_H_
+#endif  // DEVICE_SERIAL_SERIAL_DEVICE_ENUMERATOR_LINUX_H_