Add dbus::PopDataAsValue

dbus/values_util.h

Index: dbus/values_util.h
diff --git a/dbus/values_util.h b/dbus/values_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..cfb31a57eaea7d204d7e719fc262eb6da50e67de
--- /dev/null
+++ b/dbus/values_util.h
@@ -0,0 +1,25 @@
+// 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_VALUES_UTIL_H_
+#define DBUS_VALUES_UTIL_H_
+#pragma once
+
+namespace base {
+class Value;
+}
+
+namespace dbus {
+
+class MessageReader;
+
+// Pops a value from |reader| as a base::Value.
+// Returns NULL if an error occurs.
+// Note: Integer values larger than int32 (including uint32) are converted to
+// double.  Non-string diciontary keys are converted to strings.
+base::Value* PopDataAsValue(MessageReader* reader);
+
+}  // namespace dbus
+
+#endif  // DBUS_VALUES_UTIL_H_