Remove the uninstall dialog black border.

chrome/browser/ui/views/uninstall_view.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/views/uninstall_view.h"
 
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/run_loop.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 163 matching lines @@
   // this code can be called while the module refcount is still at 0.
   // Note that this reference is never released, as this code is shown on a path
   // that immediately exits Chrome anyway.
   // See http://crbug.com/241366 for details.
   g_browser_process->AddRefModule();
 
   base::RunLoop run_loop(&accelerator_handler);
   UninstallView* view = new UninstallView(&result,
                                           run_loop.QuitClosure(),
                                           show_delete_profile);
-  views::Widget::CreateWindow(view)->Show();
+  views::DialogDelegate::CreateDialogWidget(view, NULL, NULL)->Show();
   run_loop.Run();
   return result;
 }
 
 }  // namespace chrome