WebKit IDL roll.

third_party/WebCore/css/DOMWindowCSS.idl

Index: third_party/WebCore/css/DOMWindowCSS.idl
diff --git a/third_party/WebCore/css/CSSSupportsRule.idl b/third_party/WebCore/css/DOMWindowCSS.idl
similarity index 76%
copy from third_party/WebCore/css/CSSSupportsRule.idl
copy to third_party/WebCore/css/DOMWindowCSS.idl
index c533882d90a106fc69c3c44cea53f01a239a081a..aed4cf7f00f22109e2a49077f3a61a80aeabe4d0 100644
--- a/third_party/WebCore/css/CSSSupportsRule.idl
+++ b/third_party/WebCore/css/DOMWindowCSS.idl
@@ -1,4 +1,5 @@
-/* Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
+/*
+ * Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -27,13 +28,12 @@
  */
 
 [
+    InterfaceName=CSS,
     Conditional=CSS3_CONDITIONAL_RULES
-] interface CSSSupportsRule : CSSRule {
-    readonly attribute CSSRuleList cssRules;
-    readonly attribute DOMString conditionText;
+] interface DOMWindowCSS {
+
+    boolean supports(DOMString property, DOMString value);
+    boolean supports(DOMString conditionText);
 
-    unsigned long insertRule(in [Optional=DefaultIsUndefined] DOMString rule,
-                             in [Optional=DefaultIsUndefined] unsigned long index) raises(DOMException);
-    void deleteRule(in [Optional=DefaultIsUndefined] unsigned long index) raises(DOMException);
 };