Index: Source/core/frame/Window.idl |
diff --git a/Source/core/frame/Window.idl b/Source/core/frame/Window.idl |
index 0fff3f47a3225bf8b1638d98681d17e0e53c69df..89c7d98c14f975f76bad25bf11a1592d8afc15cc 100644 |
--- a/Source/core/frame/Window.idl |
+++ b/Source/core/frame/Window.idl |
@@ -136,7 +136,7 @@ |
readonly attribute StyleMedia styleMedia; |
// DOM Level 2 Style Interface |
- [TypeChecking=Interface] CSSStyleDeclaration getComputedStyle(Element element, optional DOMString pseudoElt); |
+ [TypeChecking=Interface] CSSStyleDeclaration getComputedStyle(Element element, optional DOMString? pseudoElt = null); |
// WebKit extensions |
[DeprecateAs=GetMatchedCSSRules] CSSRuleList getMatchedCSSRules([Default=Undefined] optional Element element, |