Implement WindowEventHandlers

Source/core/frame/Window.idl

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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:
  * 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 156 matching lines @@
     [MeasureAs=PrefixedRequestAnimationFrame] long webkitRequestAnimationFrame(RequestAnimationFrameCallback callback);
     [ImplementedAs=cancelAnimationFrame] void webkitCancelAnimationFrame(long id);
     [ImplementedAs=cancelAnimationFrame] void webkitCancelRequestAnimationFrame(long id); // This is a deprecated alias for webkitCancelAnimationFrame(). Remove this when removing vendor prefix.
 
     [Replaceable] readonly attribute CSS CSS;
 
     // Event handler attributes
     [RuntimeEnabled=CSSAnimationUnprefixed] attribute EventHandler onanimationend;
     [RuntimeEnabled=CSSAnimationUnprefixed] attribute EventHandler onanimationiteration;
     [RuntimeEnabled=CSSAnimationUnprefixed] attribute EventHandler onanimationstart;
-    attribute EventHandler onbeforeunload;
     [RuntimeEnabled=DeviceMotion] attribute EventHandler ondevicemotion;
     [RuntimeEnabled=DeviceOrientation] attribute EventHandler ondeviceorientation;
-    attribute EventHandler onhashchange;
-    attribute EventHandler onmessage;
-    attribute EventHandler onoffline;
-    attribute EventHandler ononline;
     [Conditional=ORIENTATION_EVENTS] attribute EventHandler onorientationchange;
-    attribute EventHandler onpagehide;
-    attribute EventHandler onpageshow;
-    attribute EventHandler onpopstate;
-    attribute EventHandler onresize;
     attribute EventHandler onsearch;
-    attribute EventHandler onstorage;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchcancel;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchend;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchmove;
     [RuntimeEnabled=Touch] attribute EventHandler ontouchstart;
     attribute EventHandler ontransitionend;
-    attribute EventHandler onunload;
     attribute EventHandler onwebkitanimationend;
     attribute EventHandler onwebkitanimationiteration;
     attribute EventHandler onwebkitanimationstart;
     attribute EventHandler onwebkittransitionend;
     [ActivityLogging=SetterForAllWorlds] attribute EventHandler onwheel;
 
     [DeprecateAs=CaptureEvents] void captureEvents();
     [DeprecateAs=ReleaseEvents] void releaseEvents();
 
     // Additional constructors.
@@ skipping 36 matching lines @@
     // window.toString() requires special handling in V8
     [DoNotCheckSignature, DoNotCheckSecurity, Custom, NotEnumerable] DOMString toString();
 
     [ImplementedAs=anonymousIndexedGetter, NotEnumerable] getter Window(unsigned long index);
     [Custom, NotEnumerable] getter Window (DOMString name);
 };
 
 Window implements GlobalEventHandlers;
 Window implements ImageBitmapFactories;
 Window implements WindowBase64;
+Window implements WindowEventHandlers;
 Window implements WindowTimers;