Introduce base::ScopedPlatformHandle

base/files/scoped_platform_handle_posix.cc

Index: base/files/scoped_platform_handle_posix.cc
diff --git a/base/files/scoped_platform_handle_posix.cc b/base/files/scoped_platform_handle_posix.cc
new file mode 100644
index 0000000000000000000000000000000000000000..38ee85a66ba608203ae2d1445844408e309bcd5b
--- /dev/null
+++ b/base/files/scoped_platform_handle_posix.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_.is_valid();
+}
+
+void ScopedPlatformHandle::reset() {
+  handle_.reset();
+}
+
+ScopedPlatformHandle::HandleType ScopedPlatformHandle::get() const {
+  return handle_.get();
+}
+
+ScopedPlatformHandle::HandleType ScopedPlatformHandle::release() {
+  return handle_.release();
+}
+
+}  // namespace base