Revert 270290 "Reduce creation of ViewsDelegate"

trunk/src/chrome/browser/ui/ash/test_views_delegate_with_parent.cc

 // Copyright 2014 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/ash/test_views_delegate_with_parent.h"
 
 #include "ash/shell.h"
 
 TestViewsDelegateWithParent::TestViewsDelegateWithParent() {
 }
 
 TestViewsDelegateWithParent::~TestViewsDelegateWithParent() {
 }
 
 void TestViewsDelegateWithParent::OnBeforeWidgetInit(
     views::Widget::InitParams* params,
     views::internal::NativeWidgetDelegate* delegate) {
   if (!params->parent && !params->context) {
     // If the window has neither a parent nor a context we add the root window
     // as parent.
     params->parent = ash::Shell::GetInstance()->GetPrimaryRootWindow();
   }
 }