Fix webview example in views examples.

ui/views/test/test_views_delegate.cc

Index: ui/views/test/test_views_delegate.cc
diff --git a/ui/views/test/test_views_delegate.cc b/ui/views/test/test_views_delegate.cc
index 21ae8ae1105c1ecef5eb42ed192ad07192f7057a..0cf97fc16596bacbc5fc87795799fd16f36213eb 100644
--- a/ui/views/test/test_views_delegate.cc
+++ b/ui/views/test/test_views_delegate.cc
@@ -68,8 +68,7 @@ views::NativeWidgetHelperAura* TestViewsDelegate::CreateNativeWidgetHelper(
 content::WebContents* TestViewsDelegate::CreateWebContents(
     content::BrowserContext* browser_context,
     content::SiteInstance* site_instance) {
-  return content::WebContentsTester::CreateTestWebContents(browser_context,
-                                                           site_instance);
+  return NULL;
 }
 
 }  // namespace views