Use smart pointer for everything

brightray/browser/win/scoped_hstring.h

@@ -0,0 +1,36 @@
+// Copyright (c) 2015 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-CHROMIUM file.
+
+#ifndef BRIGHTRAY_BROWSER_WIN_SCOPED_HSTRING_H_
+#define BRIGHTRAY_BROWSER_WIN_SCOPED_HSTRING_H_
+
+#include <hstring.h>
+#include <windows.h>
+
+#include "base/basictypes.h"
+
+class ScopedHString {
+ public:
+  // Copy from |source|.
+  ScopedHString(const wchar_t* source);
+  // Create empty string.
+  ScopedHString();
+  ~ScopedHString();
+
+  // Sets to |source|.
+  void Set(const wchar_t* source);
+
+  // Returns string.
+  operator HSTRING() const { return str_; }
+
+  // Whether there is a string created.
+  bool success() const { return str_; }
+
+ private:
+  HSTRING str_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedHString);
+};
+
+#endif  // BRIGHTRAY_BROWSER_WIN_SCOPED_HSTRING_H_