Delete test view delegate at end of test

views/controls/textfield/textfield_views_model_unittest.cc

Index: views/controls/textfield/textfield_views_model_unittest.cc
diff --git a/views/controls/textfield/textfield_views_model_unittest.cc b/views/controls/textfield/textfield_views_model_unittest.cc
index 388c8c3953fb7e8bd6448f72036c251013c2af26..362029a69a87f32e394a15a25793db8854e7c2f0 100644
--- a/views/controls/textfield/textfield_views_model_unittest.cc
+++ b/views/controls/textfield/textfield_views_model_unittest.cc
@@ -289,7 +289,8 @@ TEST(TextfieldViewsModelTest, SetText) {
 }
 
 TEST(TextfieldViewsModelTest, Clipboard) {
-  views::ViewsDelegate::views_delegate = new TestViewsDelegate();
+  scoped_ptr<TestViewsDelegate> test_views_delegate = new TestViewsDelegate();
+  views::ViewsDelegate::views_delegate = test_views_delegate.get();
   ui::Clipboard* clipboard
       = views::ViewsDelegate::views_delegate->GetClipboard();
   string16 initial_clipboard_text;