Aura/GTK integration: Create a small stub library that can talk to GTK.

chrome/browser/ui/libgtk2ui/gtk2_util.h

Index: chrome/browser/ui/libgtk2ui/gtk2_util.h
diff --git a/chrome/browser/ui/libgtk2ui/gtk2_util.h b/chrome/browser/ui/libgtk2ui/gtk2_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..220d6f9bb74c35ad9230496071edfff5f6d14d9d
--- /dev/null
+++ b/chrome/browser/ui/libgtk2ui/gtk2_util.h
@@ -0,0 +1,17 @@
+// 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 CHROME_BROWSER_UI_LIBGTK2UI_GTK2_UTIL_H_
+#define CHROME_BROWSER_UI_LIBGTK2UI_GTK2_UTIL_H_
+#pragma once
+
+class CommandLine;
+
+namespace libgtk2ui {
+
+void GtkInitFromCommandLine(const CommandLine& command_line);
+
+}  // namespace libgtk2ui
+
+#endif  // CHROME_BROWSER_UI_LIBGTK2UI_GTK2_UTIL_H_