V8AbstractEventListener should hold a ScriptState

Source/bindings/v8/V8LazyEventListener.h

Index: Source/bindings/v8/V8LazyEventListener.h
diff --git a/Source/bindings/v8/V8LazyEventListener.h b/Source/bindings/v8/V8LazyEventListener.h
index 283d0084c0f39e3d70deb9d25721cb78b5d589c1..6fe065bef0d48536a663f8229ff57c9928ec62a1 100644
--- a/Source/bindings/v8/V8LazyEventListener.h
+++ b/Source/bindings/v8/V8LazyEventListener.h
@@ -54,6 +54,10 @@ namespace WebCore {
         }
 
         virtual bool isLazy() const OVERRIDE { return true; }
+        // V8LazyEventListener is always for the main world.
+        virtual DOMWrapperWorld& world() const OVERRIDE { return DOMWrapperWorld::mainWorld(); }
+
+        virtual void handleEvent(ExecutionContext*, Event*) OVERRIDE;
 
     protected:
         virtual void prepareListenerObject(ExecutionContext*) OVERRIDE;