Support for latest WebIDL for indexed property getters.

Source/core/css/WebKitCSSKeyframesRule.idl

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 // Introduced in DOM Level ?:
 [
-    IndexedGetter
 ] interface WebKitCSSKeyframesRule : CSSRule {
 
     [TreatReturnedNullStringAs=Null, TreatNullAs=NullString] attribute DOMString name;
     readonly attribute CSSRuleList cssRules;
     
     void insertRule([Default=Undefined] optional DOMString rule);
     void deleteRule([Default=Undefined] optional DOMString key);
     WebKitCSSKeyframeRule findRule([Default=Undefined] optional DOMString key);
 };