views: Move examples/ directory to ui/views/.

ui/views/examples/example_base.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 VIEWS_EXAMPLES_EXAMPLE_BASE_H_
-#define VIEWS_EXAMPLES_EXAMPLE_BASE_H_
+#ifndef UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_
+#define UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace views {
 class View;
 }
 
@@ skipping 32 matching lines @@
   std::string example_title_;
 
   // The view containing example views.
   views::View* container_;
 
   DISALLOW_COPY_AND_ASSIGN(ExampleBase);
 };
 
 }  // namespace examples
 
-#endif  // VIEWS_EXAMPLES_EXAMPLE_BASE_H_
+#endif  // UI_VIEWS_EXAMPLES_EXAMPLE_BASE_H_