Use EventHandler type instead of EventListener for event handler attributes

Source/core/xml/XMLHttpRequest.idl

Index: Source/core/xml/XMLHttpRequest.idl
diff --git a/Source/core/xml/XMLHttpRequest.idl b/Source/core/xml/XMLHttpRequest.idl
index bad83ca82fa898c9be9fadd1ee7d805f7e5a46cb..2c4f1203fe96610ab96f3c18c7872145007c8ab5 100644
--- a/Source/core/xml/XMLHttpRequest.idl
+++ b/Source/core/xml/XMLHttpRequest.idl
@@ -45,16 +45,16 @@ enum XMLHttpRequestResponseType {
 ] interface XMLHttpRequest : EventTarget {
     // From XMLHttpRequestEventTarget
     // event handler attributes
-    attribute EventListener onabort;
-    attribute EventListener onerror;
-    attribute EventListener onload;
-    attribute EventListener onloadend;
-    attribute EventListener onloadstart;
-    attribute EventListener onprogress;
-    attribute EventListener ontimeout;
+    attribute EventHandler onabort;
+    attribute EventHandler onerror;
+    attribute EventHandler onload;
+    attribute EventHandler onloadend;
+    attribute EventHandler onloadstart;
+    attribute EventHandler onprogress;
+    attribute EventHandler ontimeout;
 
     // event handler attributes
-    attribute EventListener onreadystatechange;
+    attribute EventHandler onreadystatechange;
 
     // state
     const unsigned short UNSENT = 0;