Index: Source/core/events/MouseEvent.idl |
diff --git a/Source/core/events/MouseEvent.idl b/Source/core/events/MouseEvent.idl |
index 92c3bfb518a679d32abeb73f82e31f7d4527f185..26b0c3771c6d00be1ec7363f9edd42f5cfed222f 100644 |
--- a/Source/core/events/MouseEvent.idl |
+++ b/Source/core/events/MouseEvent.idl |
@@ -29,7 +29,7 @@ |
[InitializedByEventConstructor] readonly attribute boolean altKey; |
[InitializedByEventConstructor] readonly attribute boolean metaKey; |
[InitializedByEventConstructor] readonly attribute unsigned short button; |
- [InitializedByEventConstructor] readonly attribute EventTarget relatedTarget; |
+ [InitializedByEventConstructor] readonly attribute EventTarget? relatedTarget; |
readonly attribute long webkitMovementX; |
readonly attribute long webkitMovementY; |