Use EventHandler type instead of EventListener for event handler attributes

Source/core/page/Performance.idl

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 Intel 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 27 matching lines @@
     [MeasureAs=UnprefixedPerformanceTimeline] sequence<PerformanceEntry> getEntries();
     [MeasureAs=UnprefixedPerformanceTimeline] sequence<PerformanceEntry> getEntriesByType(DOMString entryType);
     [MeasureAs=UnprefixedPerformanceTimeline] sequence<PerformanceEntry> getEntriesByName(DOMString name, [Default=NullString] optional DOMString entryType);
     [DeprecateAs=PrefixedPerformanceTimeline,ImplementedAs=getEntries] sequence<PerformanceEntry> webkitGetEntries();
     [DeprecateAs=PrefixedPerformanceTimeline,ImplementedAs=getEntriesByType] sequence<PerformanceEntry> webkitGetEntriesByType(DOMString entryType);
     [DeprecateAs=PrefixedPerformanceTimeline,ImplementedAs=getEntriesByName] sequence<PerformanceEntry> webkitGetEntriesByName(DOMString name, [Default=NullString] optional DOMString entryType);
 
     void webkitClearResourceTimings();
     void webkitSetResourceTimingBufferSize(unsigned long maxSize);
 
-    attribute EventListener onwebkitresourcetimingbufferfull;
+    attribute EventHandler onwebkitresourcetimingbufferfull;
 
     // See http://www.w3.org/TR/2012/CR-user-timing-20120726/
     [RaisesException,MeasureAs=UnprefixedUserTiming] void mark(DOMString markName);
     [MeasureAs=UnprefixedUserTiming] void clearMarks([Default=NullString] optional  DOMString markName);
 
     [RaisesException,MeasureAs=UnprefixedUserTiming] void measure(DOMString measureName, [Default=NullString] optional DOMString startMark, [Default=NullString] optional DOMString endMark);
     [MeasureAs=UnprefixedUserTiming] void clearMeasures([Default=NullString] optional DOMString measureName);
 
     [RaisesException,DeprecateAs=PrefixedUserTiming,ImplementedAs=mark] void webkitMark(DOMString markName);
     [DeprecateAs=PrefixedUserTiming,ImplementedAs=clearMarks] void webkitClearMarks([Default=NullString] optional  DOMString markName);
 
     [RaisesException,DeprecateAs=PrefixedUserTiming,ImplementedAs=measure] void webkitMeasure(DOMString measureName, [Default=NullString] optional DOMString startMark, [Default=NullString] optional DOMString endMark);
     [DeprecateAs=PrefixedUserTiming,ImplementedAs=clearMeasures] void webkitClearMeasures([Default=NullString] optional DOMString measureName);
 
     // See http://www.w3.org/TR/hr-time/ for details.
     double now();
 };