Add [WillBeGarbageCollected] to Event.idl

Source/core/events/SecurityPolicyViolationEvent.h

Index: Source/core/events/SecurityPolicyViolationEvent.h
diff --git a/Source/core/events/SecurityPolicyViolationEvent.h b/Source/core/events/SecurityPolicyViolationEvent.h
index efe2481272d2b03fd61a68b9c329ec9f3b6314d7..728470df9c7d4079d700980221657a40a0e3b99d 100644
--- a/Source/core/events/SecurityPolicyViolationEvent.h
+++ b/Source/core/events/SecurityPolicyViolationEvent.h
@@ -49,14 +49,14 @@ struct SecurityPolicyViolationEventInit : public EventInit {
 
 class SecurityPolicyViolationEvent FINAL : public Event {
 public:
-    static PassRefPtr<SecurityPolicyViolationEvent> create()
+    static PassRefPtrWillBeRawPtr<SecurityPolicyViolationEvent> create()
     {
-        return adoptRef(new SecurityPolicyViolationEvent());
+        return adoptRefCountedWillBeRefCountedGarbageCollected(new SecurityPolicyViolationEvent());
     }
 
-    static PassRefPtr<SecurityPolicyViolationEvent> create(const AtomicString& type, const SecurityPolicyViolationEventInit& initializer)
+    static PassRefPtrWillBeRawPtr<SecurityPolicyViolationEvent> create(const AtomicString& type, const SecurityPolicyViolationEventInit& initializer)
     {
-        return adoptRef(new SecurityPolicyViolationEvent(type, initializer));
+        return adoptRefCountedWillBeRefCountedGarbageCollected(new SecurityPolicyViolationEvent(type, initializer));
     }
 
     const String& documentURI() const { return m_documentURI; }