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-rw-r--r--dom/webidl/CSSStyleSheet.webidl8
1 files changed, 8 insertions, 0 deletions
diff --git a/dom/webidl/CSSStyleSheet.webidl b/dom/webidl/CSSStyleSheet.webidl
index 15c110b8b..677d3ec52 100644
--- a/dom/webidl/CSSStyleSheet.webidl
+++ b/dom/webidl/CSSStyleSheet.webidl
@@ -26,4 +26,12 @@ interface CSSStyleSheet : StyleSheet {
unsigned long insertRule(DOMString rule, optional unsigned long index = 0);
[Throws, NeedsSubjectPrincipal]
void deleteRule(unsigned long index);
+
+ // Non-standard WebKit things, see https://github.com/w3c/csswg-drafts/pull/3900.
+ [Throws, NeedsSubjectPrincipal, BinaryName="cssRules"]
+ readonly attribute CSSRuleList rules;
+ [Throws, NeedsSubjectPrincipal, BinaryName="deleteRule"]
+ void removeRule(optional unsigned long index = 0);
+ [Throws, NeedsSubjectPrincipal]
+ long addRule(optional DOMString selector = "undefined", optional DOMString style = "undefined", optional unsigned long index);
};