This change breaks all tests concering the bitless events : 
```
Caused by: java.lang.Exception: com.google.gwt.core.client.JavaScriptException: (null) @com.google.gwt.dom.client.DOMImplStandard::dispatchEvent(Lcom/google/gwt/dom/client/Element;Lcom/google/gwt/dom/client/NativeEvent;)([JavaScript object(17356), JavaScript object(17366)]): null
	at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:249)
	at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
	at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:571)
	at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:299)
	at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeVoid(JavaScriptHost.java:107)
	at com.google.gwt.dom.client.DOMImplStandard.dispatchEvent(DOMImplStandard.java)
	at com.google.gwt.dom.client.Element$.dispatchEvent$(Element.java:134)

```