Remove some setHasCustomStyleCallbacks calls

Source/core/html/HTMLTitleElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * 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.
@@ skipping 22 matching lines @@
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 inline HTMLTitleElement::HTMLTitleElement(Document& document)
     : HTMLElement(titleTag, document)
     , m_ignoreTitleUpdatesWhenChildrenChange(false)
 {
-    setHasCustomStyleCallbacks();
     ScriptWrappable::init(this);
 }
 
 DEFINE_NODE_FACTORY(HTMLTitleElement)
 
 Node::InsertionNotificationRequest HTMLTitleElement::insertedInto(ContainerNode* insertionPoint)
 {
     HTMLElement::insertedInto(insertionPoint);
     if (inDocument() && !isInShadowTree())
         document().setTitleElement(text(), this);
@@ skipping 34 matching lines @@
     // Avoid calling Document::setTitleElement() during intermediate steps.
     m_ignoreTitleUpdatesWhenChildrenChange = !value.isEmpty();
     removeChildren();
     m_ignoreTitleUpdatesWhenChildrenChange = false;
 
     if (!value.isEmpty())
         appendChild(document().createTextNode(value.impl()), IGNORE_EXCEPTION);
 }
 
 }