views: Remove the old views/window/ directory and its stubbed files.

ui/views/window/dialog_client_view.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_WINDOW_DIALOG_CLIENT_VIEW_H_
 #define UI_VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_
 #pragma once
 
 #include "ui/gfx/font.h"
+#include "ui/views/window/client_view.h"
+#include "views/controls/button/button.h"
 #include "views/focus/focus_manager.h"
-#include "views/controls/button/button.h"
-#include "views/window/client_view.h"
 
 namespace views {
 
 class DialogDelegate;
 class NativeTextButton;
 class Widget;
 namespace internal {
 class RootView;
 }
 
@@ skipping 138 matching lines @@
 
   // Static resource initialization
   static gfx::Font* dialog_button_font_;
 
   DISALLOW_COPY_AND_ASSIGN(DialogClientView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_