Desktop aura: Expand what the ViewsDelegate can do to new windows.

ui/views/test/desktop_test_views_delegate.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 "ui/views/test/desktop_test_views_delegate.h"
 
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 #include "ui/views/widget/native_widget_aura.h"
 
 namespace views {
 
 DesktopTestViewsDelegate::DesktopTestViewsDelegate() {}
 
 DesktopTestViewsDelegate::~DesktopTestViewsDelegate() {}
 
-NativeWidget* DesktopTestViewsDelegate::CreateNativeWidget(
-    Widget::InitParams::Type type,
-    internal::NativeWidgetDelegate* delegate,
-    gfx::NativeView parent,
-    gfx::NativeView context) {
+void DesktopTestViewsDelegate::OnBeforeWidgetInit(
+    Widget::InitParams* params,
+    internal::NativeWidgetDelegate* delegate) {
 #if defined(USE_AURA) && !defined(OS_CHROMEOS)
-  if (parent && type != views::Widget::InitParams::TYPE_MENU)
-    return new views::NativeWidgetAura(delegate);
+  // If we already have a native_widget, we don't have to try to come
+  // up with one.
+  if (params->native_widget)
+    return;
 
-  if (!parent && !context)
-    return new views::DesktopNativeWidgetAura(delegate);
+  if (params->parent && params->type != views::Widget::InitParams::TYPE_MENU) {
+    params->native_widget = new views::NativeWidgetAura(delegate);
+  } else if (!params->parent && !params->context) {
+    params->native_widget = new views::DesktopNativeWidgetAura(delegate);
+  }
 #endif
-
-  return NULL;
 }
 
 }  // namespace views