Remove ENTITY_REFERENCE_NODE

Source/core/dom/Document.idl

 /*
  * Copyright (C) 2006, 2007, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006, 2007 Samuel Weinig <sam@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 17 matching lines @@
     readonly attribute Element documentElement;
 
     [DeliverCustomElementCallbacks, PerWorldBindings, ActivityLog=AccessForIsolatedWorlds, RaisesException] Element createElement([TreatNullAs=NullString,Default=Undefined] optional DOMString tagName);
     DocumentFragment   createDocumentFragment();
     [PerWorldBindings] Text createTextNode([Default=Undefined] optional DOMString data);
     Comment createComment([Default=Undefined] optional DOMString data);
     [RaisesException] CDATASection createCDATASection([Default=Undefined] optional DOMString data);
     [RaisesException] ProcessingInstruction createProcessingInstruction([Default=Undefined] optional DOMString target,
                                                                                  [Default=Undefined] optional DOMString data);
     [RaisesException] Attr createAttribute([Default=Undefined] optional DOMString name);
-    [RaisesException] EntityReference createEntityReference([Default=Undefined] optional DOMString name);
     [PerWorldBindings] NodeList           getElementsByTagName([Default=Undefined] optional DOMString tagname);
 
     // Introduced in DOM Level 2:
 
     [DeliverCustomElementCallbacks, PerWorldBindings, ActivityLog=AccessForIsolatedWorlds, RaisesException] Node importNode([Default=Undefined] optional Node importedNode,
                     optional boolean deep);
     [DeliverCustomElementCallbacks, PerWorldBindings, ActivityLog=AccessForIsolatedWorlds, RaisesException] Element createElementNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
                             [TreatNullAs=NullString,Default=Undefined] optional DOMString qualifiedName);
     [RaisesException] Attr createAttributeNS([TreatNullAs=NullString,Default=Undefined] optional DOMString namespaceURI,
                                                                           [TreatNullAs=NullString,Default=Undefined] optional DOMString qualifiedName);
@@ skipping 235 matching lines @@
 
     // Page visibility API.
     readonly attribute DOMString webkitVisibilityState;
     readonly attribute boolean webkitHidden;
 
     // Security Policy API: http://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#script-interfaces
     [EnabledAtRuntime=experimentalContentSecurityPolicyFeatures] readonly attribute DOMSecurityPolicy securityPolicy;
 
 };