Add ChromeBrowserMainExtraParts for non main parts.

chrome/browser/chrome_browser_main_extra_parts_aura.h

Index: chrome/browser/chrome_browser_main_extra_parts_aura.h
diff --git a/chrome/browser/chrome_browser_main_extra_parts_aura.h b/chrome/browser/chrome_browser_main_extra_parts_aura.h
new file mode 100644
index 0000000000000000000000000000000000000000..2af4a185d80c14c9a13d0f9c6a01f1d0690e89d5
--- /dev/null
+++ b/chrome/browser/chrome_browser_main_extra_parts_aura.h
@@ -0,0 +1,22 @@
+// Copyright (c) 2011 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_CHROME_BROWSER_MAIN_EXTRA_PARTS_AURA_H_
+#define CHROME_BROWSER_CHROME_BROWSER_MAIN_EXTRA_PARTS_AURA_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/chrome_browser_main_extra_parts.h"
+
+class ChromeBrowserMainExtraPartsAura : public ChromeBrowserMainExtraParts {
+ public:
+  ChromeBrowserMainExtraPartsAura();
+
+  virtual void PostBrowserProcessInit() OVERRIDE;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainExtraPartsAura);
+};
+
+#endif  // CHROME_BROWSER_CHROME_BROWSER_MAIN_EXTRA_PARTS_AURA_H_