Reduce creation of ViewsDelegate

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();
-  }
-}