Revert unnecessary change I checked in by mistake.

ui/views/widget/native_widget_aura_unittest.cc

Index: ui/views/widget/native_widget_aura_unittest.cc
diff --git a/ui/views/widget/native_widget_aura_unittest.cc b/ui/views/widget/native_widget_aura_unittest.cc
index e7ddf312e729820d2c7cc2425f91459539e14d4e..2b9f874091b51d9ebe6ac5db8e83900e83a3ec42 100644
--- a/ui/views/widget/native_widget_aura_unittest.cc
+++ b/ui/views/widget/native_widget_aura_unittest.cc
@@ -153,7 +153,7 @@ TEST_F(NativeWidgetAuraTest, GetClientAreaScreenBounds) {
   Widget::InitParams params(Widget::InitParams::TYPE_WINDOW);
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   params.bounds.SetRect(10, 20, 300, 400);
-  Widget* widget = new Widget();
+  scoped_ptr<Widget> widget(new Widget());
   widget->Init(params);
 
   // For Aura, client area bounds match window bounds.