Cleanup: Merge device/udev_linux/udev.{cc,h} into device/udev_linux/scoped_udev.h.

device/serial/serial_device_enumerator_linux.h

Index: device/serial/serial_device_enumerator_linux.h
diff --git a/device/serial/serial_device_enumerator_linux.h b/device/serial/serial_device_enumerator_linux.h
index 71eee6992de38f22c5c7aebfc4cd38123d48057e..fe3c3b8640f3abbe5ef1a638c1219528253d3a48 100644
--- a/device/serial/serial_device_enumerator_linux.h
+++ b/device/serial/serial_device_enumerator_linux.h
@@ -5,10 +5,8 @@
 #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/udev_linux/scoped_udev.h"
 
 namespace device {
 
@@ -22,11 +20,7 @@ class SerialDeviceEnumeratorLinux : public SerialDeviceEnumerator {
   virtual mojo::Array<serial::DeviceInfoPtr> GetDevices() override;
 
  private:
-  struct UdevDeleter {
-    void operator()(udev* handle);
-  };
-
-  scoped_ptr<udev, UdevDeleter> udev_;
+  ScopedUdevPtr udev_;
 
   DISALLOW_COPY_AND_ASSIGN(SerialDeviceEnumeratorLinux);
 };