bindings: Adds virtual ScriptWrappable::wrap method.

Source/core/events/ProgressEvent.h

Index: Source/core/events/ProgressEvent.h
diff --git a/Source/core/events/ProgressEvent.h b/Source/core/events/ProgressEvent.h
index 040ccbcafcba2404067dfb187cf31bef5aec6ddc..30d5729ffe36c09555df7f0637097f26780b8144 100644
--- a/Source/core/events/ProgressEvent.h
+++ b/Source/core/events/ProgressEvent.h
@@ -39,6 +39,7 @@ struct ProgressEventInit : public EventInit {
 };
 
 class ProgressEvent : public Event {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<ProgressEvent> create()
     {
@@ -71,6 +72,7 @@ private:
     unsigned long long m_loaded;
     unsigned long long m_total;
 };
-}
+
+} // namespace blink
 
 #endif // ProgressEvent_h