Add upstream dbus/ code as of Chromium r334380.

Copy the unchanged source from
https://chromium.googlesource.com/chromium/src/dbus/ as of
r334380 (really r334285 a.k.a. d04f83ef in the dbus/
subtree).

Bug: 22317122
Change-Id: I598920914a737fe12e2f8199d6826f113991dc5b

1 files changed, 33 insertions, 0 deletions

diff --git a/dbus/scoped_dbus_error.h b/dbus/scoped_dbus_error.h
new file mode 100644
index 0000000000..1484dbb81b
--- /dev/null
+++ b/dbus/scoped_dbus_error.h
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 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.
+
+#ifndef DBUS_SCOPED_DBUS_ERROR_H_
+#define DBUS_SCOPED_DBUS_ERROR_H_
+
+#include <dbus/dbus.h>
+
+#include "dbus/dbus_export.h"
+
+namespace dbus {
+
+// Utility class to ensure that DBusError is freed.
+class CHROME_DBUS_EXPORT ScopedDBusError {
+ public:
+  // Do not inline methods that call dbus_error_xxx() functions.
+  // See http://crbug.com/416628
+  ScopedDBusError();
+  ~ScopedDBusError();
+
+  DBusError* get() { return &error_; }
+  bool is_set() const;
+  const char* name() { return error_.name; }
+  const char* message() { return error_.message; }
+
+ private:
+  DBusError error_;
+};
+
+}  // namespace dbus
+
+#endif  // DBUS_SCOPED_DBUS_ERROR_H_