Introduce base::ScopedPlatformHandle

base/files/scoped_platform_handle_win.cc

Index: base/files/scoped_platform_handle_win.cc
diff --git a/base/files/scoped_platform_handle_win.cc b/base/files/scoped_platform_handle_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..94235f27020a4adb9b54230461428d7dcf5886d7
--- /dev/null
+++ b/base/files/scoped_platform_handle_win.cc
@@ -0,0 +1,25 @@
+// Copyright 2017 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.
+
+#include "base/files/scoped_platform_handle.h"
+
+namespace base {
+
+bool ScopedPlatformHandle::is_valid() const {
+  return handle_.IsValid();
+}
+
+void ScopedPlatformHandle::reset() {
+  handle_.Close();
+}
+
+ScopedPlatformHandle::HandleType ScopedPlatformHandle::get() const {
+  return handle_.Get();
+}
+
+ScopedPlatformHandle::HandleType ScopedPlatformHandle::release() {
+  return handle_.Take();
+}
+
+}  // namespace base