Add [WillBeGarbageCollected] to Event.idl

Source/modules/websockets/CloseEvent.h

Index: Source/modules/websockets/CloseEvent.h
diff --git a/Source/modules/websockets/CloseEvent.h b/Source/modules/websockets/CloseEvent.h
index 9457363b9d98fd4f2f06077b9d778fc46159e5e5..80658d403af56eb22e37044b990bcfaa1e25d12b 100644
--- a/Source/modules/websockets/CloseEvent.h
+++ b/Source/modules/websockets/CloseEvent.h
@@ -49,19 +49,19 @@ struct CloseEventInit : public EventInit {
 
 class CloseEvent FINAL : public Event {
 public:
-    static PassRefPtr<CloseEvent> create()
+    static PassRefPtrWillBeRawPtr<CloseEvent> create()
     {
-        return adoptRef(new CloseEvent());
+        return adoptRefWillBeRefCountedGarbageCollected(new CloseEvent());
     }
 
-    static PassRefPtr<CloseEvent> create(bool wasClean, unsigned short code, const String& reason)
+    static PassRefPtrWillBeRawPtr<CloseEvent> create(bool wasClean, unsigned short code, const String& reason)
     {
-        return adoptRef(new CloseEvent(wasClean, code, reason));
+        return adoptRefWillBeRefCountedGarbageCollected(new CloseEvent(wasClean, code, reason));
     }
 
-    static PassRefPtr<CloseEvent> create(const AtomicString& type, const CloseEventInit& initializer)
+    static PassRefPtrWillBeRawPtr<CloseEvent> create(const AtomicString& type, const CloseEventInit& initializer)
     {
-        return adoptRef(new CloseEvent(type, initializer));
+        return adoptRefWillBeRefCountedGarbageCollected(new CloseEvent(type, initializer));
     }
 
     bool wasClean() const { return m_wasClean; }