Use EventHandler type instead of EventListener for event handler attributes

Source/modules/speech/SpeechRecognition.idl

 /*
  * Copyright (C) 2012 Google 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.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 21 matching lines @@
     attribute SpeechGrammarList grammars;
     attribute DOMString lang;
     attribute boolean continuous;
     attribute boolean interimResults;
     attribute unsigned long maxAlternatives;
 
     [RaisesException] void start();
     [ImplementedAs=stopFunction] void stop();
     void abort();
 
-    attribute EventListener onaudiostart;
-    attribute EventListener onsoundstart;
-    attribute EventListener onspeechstart;
-    attribute EventListener onspeechend;
-    attribute EventListener onsoundend;
-    attribute EventListener onaudioend;
-    attribute EventListener onresult;
-    attribute EventListener onnomatch;
-    attribute EventListener onerror;
-    attribute EventListener onstart;
-    attribute EventListener onend;
+    attribute EventHandler onaudiostart;
+    attribute EventHandler onsoundstart;
+    attribute EventHandler onspeechstart;
+    attribute EventHandler onspeechend;
+    attribute EventHandler onsoundend;
+    attribute EventHandler onaudioend;
+    attribute EventHandler onresult;
+    attribute EventHandler onnomatch;
+    attribute EventHandler onerror;
+    attribute EventHandler onstart;
+    attribute EventHandler onend;
 };