TestRunner library classes should be marked as NonCopyable.

Source/testing/runner/NotificationPresenter.h

Index: Source/testing/runner/NotificationPresenter.h
diff --git a/Source/testing/runner/NotificationPresenter.h b/Source/testing/runner/NotificationPresenter.h
index 837554b57c4bc05fec32870d77f69cb1ce5d08fd..241151d198f16c0cb9edc5d472db745466485a4a 100644
--- a/Source/testing/runner/NotificationPresenter.h
+++ b/Source/testing/runner/NotificationPresenter.h
@@ -31,6 +31,7 @@
 #ifndef NotificationPresenter_h
 #define NotificationPresenter_h
 
+#include "public/platform/WebNonCopyable.h"
 #include "public/web/WebNotification.h"
 #include "public/web/WebNotificationPresenter.h"
 #include <map>
@@ -42,7 +43,7 @@ namespace WebTestRunner {
 class WebTestDelegate;
 
 // A class that implements WebNotificationPresenter for the TestRunner library.
-class NotificationPresenter : public WebKit::WebNotificationPresenter {
+class NotificationPresenter : public WebKit::WebNotificationPresenter, public WebKit::WebNonCopyable {
 public:
     NotificationPresenter();
     virtual ~NotificationPresenter();