From b89669975f6156fce4ced5c8998125a845f8e7dc Mon Sep 17 00:00:00 2001
From: Dan Sinclair <dsinclair@chromium.org>
Date: Thu, 21 Sep 2017 14:51:57 -0400
Subject: Move CFX_AutoRestorer to fxcrt::AutoRestorer

This CL renames CFX_AutoRestorer to just AutoRestorer and places in the
fxcrt namespace.

Bug: pdfium:898
Change-Id: Id9f36df94e95f3b2a55054bc198ca1bfd249ee3d
Reviewed-on: https://pdfium-review.googlesource.com/14450
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
---
 core/fxcrt/autorestorer.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 core/fxcrt/autorestorer.h

(limited to 'core/fxcrt/autorestorer.h')

diff --git a/core/fxcrt/autorestorer.h b/core/fxcrt/autorestorer.h
new file mode 100644
index 0000000000..745a56fff2
--- /dev/null
+++ b/core/fxcrt/autorestorer.h
@@ -0,0 +1,26 @@
+// Copyright 2017 PDFium 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 CORE_FXCRT_AUTORESTORER_H_
+#define CORE_FXCRT_AUTORESTORER_H_
+
+namespace fxcrt {
+
+template <typename T>
+class AutoRestorer {
+ public:
+  explicit AutoRestorer(T* location)
+      : m_Location(location), m_OldValue(*location) {}
+  ~AutoRestorer() { *m_Location = m_OldValue; }
+
+ private:
+  T* const m_Location;
+  const T m_OldValue;
+};
+
+}  // namespace fxcrt
+
+using fxcrt::AutoRestorer;
+
+#endif  // CORE_FXCRT_AUTORESTORER_H_
-- 
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