Ozone integration.

device/udev_linux/scoped_udev.h

Index: device/udev_linux/scoped_udev.h
diff --git a/device/udev_linux/scoped_udev.h b/device/udev_linux/scoped_udev.h
new file mode 100644
index 0000000000000000000000000000000000000000..06e3926025418562a673e985de136c0edbc46965
--- /dev/null
+++ b/device/udev_linux/scoped_udev.h
@@ -0,0 +1,45 @@
+// 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_UDEV_LINUX_SCOPED_UDEV_H_
+#define DEVICE_UDEV_LINUX_SCOPED_UDEV_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "device/udev_linux/udev.h"
+
+#if !defined(USE_UDEV)
+#error "USE_UDEV not defined"
+#endif
+
+namespace device {
+
+struct UdevDeleter {
+  void operator()(udev* dev) const {
+    udev_unref(dev);
+  }
+};
+struct UdevEnumerateDeleter {
+  void operator()(udev_enumerate* enumerate) const {
+    udev_enumerate_unref(enumerate);
+  }
+};
+struct UdevDeviceDeleter {
+  void operator()(udev_device* device) const {
+    udev_device_unref(device);
+  }
+};
+struct UdevMonitorDeleter {
+  void operator()(udev_monitor* monitor) const {
+    udev_monitor_unref(monitor);
+  }
+};
+
+typedef scoped_ptr<udev, UdevDeleter> ScopedUdevPtr;
+typedef scoped_ptr<udev_enumerate, UdevEnumerateDeleter> ScopedUdevEnumeratePtr;
+typedef scoped_ptr<udev_device, UdevDeviceDeleter> ScopedUdevDevicePtr;
+typedef scoped_ptr<udev_monitor, UdevMonitorDeleter> ScopedUdevMonitorPtr;
+
+}  // namespace device
+
+#endif  // DEVICE_UDEV_LINUX_SCOPED_UDEV_H_