1 files changed, 31 insertions, 0 deletions
diff --git a/security/sandbox/chromium-shim/base/scoped_native_library.h b/security/sandbox/chromium-shim/base/scoped_native_library.h
new file mode 100644
index 0000000000..d6fdf478ec
--- /dev/null
+++ b/security/sandbox/chromium-shim/base/scoped_native_library.h
@@ -0,0 +1,31 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// This is a cut down version of Chromium source file base/scoped_native_library.h
+// The chromium sandbox only requires ScopedNativeLibrary class to automatically
+// unload the library, which we can achieve with UniquePtr.
+
+#ifndef BASE_SCOPED_NATIVE_LIBRARY_H_
+#define BASE_SCOPED_NATIVE_LIBRARY_H_
+
+#include "mozilla/UniquePtr.h"
+
+namespace base {
+
+struct HModuleFreePolicy
+{
+  typedef HMODULE pointer;
+  void operator()(pointer hModule)
+  {
+    ::FreeLibrary(hModule);
+  }
+};
+
+typedef mozilla::UniquePtr<HMODULE, HModuleFreePolicy> ScopedNativeLibrary;
+
+} // namespace base
+
+#endif  // BASE_SCOPED_NATIVE_LIBRARY_H_