Rolling back IE bugfix for IFrames due to failed ImageTest

*** Original change description ***

Fix bug on IE where onload events don't fire for IFrames.

This is a bugfix for http://code.google.com/p/google-web-toolkit/issues/detail?id=1720

Review at http://gwt-code-reviews.appspot.com/1294801


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@9569 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/user/client/impl/DOMImplTrident.java b/user/src/com/google/gwt/user/client/impl/DOMImplTrident.java
index ae763d6..7bed0d0 100644
--- a/user/src/com/google/gwt/user/client/impl/DOMImplTrident.java
+++ b/user/src/com/google/gwt/user/client/impl/DOMImplTrident.java
@@ -31,9 +31,6 @@
   private static JavaScriptObject callDispatchDblClickEvent;
 
   @SuppressWarnings("unused")
-  private static JavaScriptObject callDispatchOnLoadEvent;
-
-  @SuppressWarnings("unused")
   private static JavaScriptObject callDispatchUnhandledEvent;
 
   /**
@@ -171,14 +168,11 @@
     $wnd['__gwt_dispatchEvent_' + moduleName] = dispatchEvent;
     @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchEvent = new Function('w',
       'return function() { w.__gwt_dispatchEvent_' + moduleName + '.call(this) }')($wnd);
-
-    @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchOnLoadEvent = new Function('w',
-      'return function() { w.__gwt_dispatchEvent_' + moduleName + '.call(w.event.srcElement) }')($wnd);
-
+ 
     $wnd['__gwt_dispatchDblClickEvent_' + moduleName] = dispatchDblClickEvent;
     @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchDblClickEvent = new Function('w',
       'return function() { w.__gwt_dispatchDblClickEvent_' + moduleName + '.call(this)}')($wnd);
-
+ 
     $wnd['__gwt_dispatchUnhandledEvent_' + moduleName] = dispatchUnhandledEvent;
     @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchUnhandledEvent = new Function('w',
       'return function() { w.__gwt_dispatchUnhandledEvent_' + moduleName + '.call(this)}')($wnd);
@@ -274,13 +268,8 @@
         @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchEvent : null;
     if (chMask & 0x04000) elem.onscroll      = (bits & 0x04000) ?
         @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchEvent : null;
-    if (chMask & 0x08000) {
-      if (bits & 0x08000) {
-        elem.attachEvent('onload', @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchOnLoadEvent);
-      } else {
-        elem.detachEvent('onload', @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchOnLoadEvent);
-      }
-    }
+    if (chMask & 0x08000) elem.onload        = (bits & 0x08000) ?
+        @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchUnhandledEvent : null;
     if (chMask & 0x10000) elem.onerror       = (bits & 0x10000) ?
         @com.google.gwt.user.client.impl.DOMImplTrident::callDispatchEvent : null;
     if (chMask & 0x20000) elem.onmousewheel  = (bits & 0x20000) ? 
diff --git a/user/test/com/google/gwt/dom/client/FrameTests.java b/user/test/com/google/gwt/dom/client/FrameTests.java
index 76d93d6..183ea9d 100644
--- a/user/test/com/google/gwt/dom/client/FrameTests.java
+++ b/user/test/com/google/gwt/dom/client/FrameTests.java
@@ -16,14 +16,12 @@
 package com.google.gwt.dom.client;
 
 import com.google.gwt.junit.client.GWTTestCase;
-import com.google.gwt.user.client.Event;
-import com.google.gwt.user.client.ui.Frame;
-import com.google.gwt.user.client.ui.RootPanel;
 
 /**
  * Tests for the FrameElement and IFrameElement classes.
  */
 public class FrameTests extends GWTTestCase {
+
   @Override
   public String getModuleName() {
     return "com.google.gwt.dom.DOMTest";
@@ -36,23 +34,4 @@
     doc.getBody().appendChild(iframe);
     assertNotNull(iframe.getContentDocument());
   }
-
-  public void testOnloadEventFires() {
-    int delayMillis = 3000;
-    delayTestFinish(delayMillis);
-
-    Frame frame = new Frame() {
-      @Override
-      public void onBrowserEvent(Event event) {
-        if (event.getTypeInt() == Event.ONLOAD) {
-          super.onBrowserEvent(event);
-          finishTest();
-        }
-      }
-    };
-
-    frame.sinkEvents(Event.ONLOAD);
-    frame.setUrl("iframetest.html");
-    RootPanel.get().add(frame);
-  }
 }
diff --git a/user/test/com/google/gwt/dom/public-test/iframetest.html b/user/test/com/google/gwt/dom/public-test/iframetest.html
deleted file mode 100644
index 4eb5342..0000000
--- a/user/test/com/google/gwt/dom/public-test/iframetest.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<html>
-<body>
-IFRAME TEST
-</body>
-</html>
\ No newline at end of file