Get the examples to run in aura_shell.

ui/views/examples/throbber_example.h

 // 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 UI_VIEWS_EXAMPLES_THROBBER_EXAMPLE_H_
 #define UI_VIEWS_EXAMPLES_THROBBER_EXAMPLE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/views/examples/example_base.h"
 
 namespace views {
 class View;
-}
 
 namespace examples {
 
 class ThrobberExample : public ExampleBase {
  public:
-  explicit ThrobberExample(ExamplesMain* main);
+  ThrobberExample();
   virtual ~ThrobberExample();
 
   // Overridden from ExampleBase:
-  virtual void CreateExampleView(views::View* container) OVERRIDE;
+  virtual void CreateExampleView(View* container) OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ThrobberExample);
 };
 
 }  // namespace examples
+}  // namespace views
 
 #endif  // UI_VIEWS_EXAMPLES_THROBBER_EXAMPLE_H_