views: Move widget/ directory to ui/views.

ui/views/widget/gtk_views_window.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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_GTK_VIEWS_WINDOW_H_
-#define VIEWS_WIDGET_GTK_VIEWS_WINDOW_H_
+#ifndef UI_VIEWS_WIDGET_GTK_VIEWS_WINDOW_H_
+#define UI_VIEWS_WIDGET_GTK_VIEWS_WINDOW_H_
 #pragma once
 
 #include <gtk/gtkwindow.h>
 
 // GtkViewsWindow is a subclass of GtkWindow that overrides its move_focus
 // method so that we can handle focus traversing by ourselves.
 
 G_BEGIN_DECLS
 
 #define GTK_TYPE_VIEWS_WINDOW        (gtk_views_window_get_type ())
@@ skipping 17 matching lines @@
 };
 
 struct _GtkViewsWindowClass {
   GtkWindowClass parent_class;
 };
 
 GtkWidget* gtk_views_window_new(GtkWindowType type);
 
 G_END_DECLS
 
-#endif  // VIEWS_WIDGET_GTK_VIEWS_WINDOW_H
+#endif  // UI_VIEWS_WIDGET_GTK_VIEWS_WINDOW_H_