views: Move widget/ directory to ui/views.

ui/views/widget/widget_delegate.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_WIDGET_WIDGET_DELEGATE_H_
-#define VIEWS_WIDGET_WIDGET_DELEGATE_H_
+#ifndef UI_VIEWS_WIDGET_WIDGET_DELEGATE_H_
+#define UI_VIEWS_WIDGET_WIDGET_DELEGATE_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/base/accessibility/accessibility_types.h"
 #include "ui/base/ui_base_types.h"
 #include "views/view.h"
 
 class SkBitmap;
@@ skipping 154 matching lines @@
   // Overridden from WidgetDelegate:
   virtual Widget* GetWidget() OVERRIDE;
   virtual const Widget* GetWidget() const OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WidgetDelegateView);
 };
 
 }  // namespace views
 
-#endif  // VIEWS_WIDGET_WIDGET_DELEGATE_H_
+#endif  // UI_VIEWS_WIDGET_WIDGET_DELEGATE_H_