Simplify EventTarget bindings generation

Source/bindings/tests/idls/TestObject.idl

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple 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.
@@ skipping 110 matching lines @@
     [RaisesException=Getter] attribute long attrWithGetterException;
     [RaisesException=Setter] attribute long attrWithSetterException;
     [RaisesException=Getter] attribute DOMString stringAttrWithGetterException;
     [RaisesException=Setter] attribute DOMString stringAttrWithSetterException;
 
     // 'Custom' extended attribute
     [Custom] attribute long            customAttr;
     [Custom, MeasureAs=CustomTestFeature] void customMethod();
     [Custom] void customMethodWithArgs(long longArg, DOMString strArg, TestObject objArg);
 
-    void addEventListener(DOMString type,
-                          EventListener listener,
-                          optional boolean useCapture);
-    void removeEventListener(DOMString type,
-                             EventListener listener,
-                             optional boolean useCapture);
-
     // 'CallWith' extended attribute
     [CallWith=ScriptState] void withScriptStateVoid();
     [CallWith=ScriptState] TestObject withScriptStateObj();
     [CallWith=ScriptState, RaisesException] void withScriptStateVoidException();
     [CallWith=ScriptState, RaisesException] TestObject withScriptStateObjException();
     [CallWith=ExecutionContext] void withExecutionContext();
     [CallWith=ExecutionContext&ScriptState] void withExecutionContextAndScriptState();
     [CallWith=ExecutionContext&ScriptState, RaisesException] TestObject withExecutionContextAndScriptStateObjException();
     [CallWith=  ExecutionContext  &  ScriptState  ] TestObject withExecutionContextAndScriptStateWithSpaces();
     [CallWith=ActiveWindow&FirstWindow] void withActiveWindowAndFirstWindow();
@@ skipping 156 matching lines @@
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 
     // PutForwards
     [PutForwards=href] readonly attribute TestNode location;
     [PutForwards=hrefThrows] readonly attribute TestNode locationWithException;
 };
 
 // The following comment should not generate any code
 // TestObject implements TestImplements;