Remove code related to title directionality, we never used it

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 34 matching lines @@
 
 PassRefPtr<HTMLTitleElement> HTMLTitleElement::create(const QualifiedName& tagName, Document* document)
 {
     return adoptRef(new HTMLTitleElement(tagName, document));
 }
 
 Node::InsertionNotificationRequest HTMLTitleElement::insertedInto(ContainerNode* insertionPoint)
 {
     HTMLElement::insertedInto(insertionPoint);
     if (inDocument() && !isInShadowTree())
-        document()->setTitleElement(textWithDirection(), this);
+        document()->setTitleElement(text(), this);
     return InsertionDone;
 }
 
 void HTMLTitleElement::removedFrom(ContainerNode* insertionPoint)
 {
     HTMLElement::removedFrom(insertionPoint);
     if (insertionPoint->inDocument() && !insertionPoint->isInShadowTree())
         document()->removeTitle(this);
 }
 
 void HTMLTitleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
 {
     HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
     if (inDocument() && !isInShadowTree())
-        document()->setTitleElement(textWithDirection(), this);
-}
-
-void HTMLTitleElement::attach(const AttachContext& context)
-{
-    HTMLElement::attach(context);
-    // If after attaching nothing called styleForRenderer() on this node we
-    // manually cache the value. This happens if our parent doesn't have a
-    // renderer like <optgroup> or if it doesn't allow children like <select>.
-    if (!m_style)
-        updateNonRenderStyle();
-}
-
-void HTMLTitleElement::detach(const AttachContext& context)
-{
-    m_style.clear();
-    HTMLElement::detach(context);
-}
-
-void HTMLTitleElement::updateNonRenderStyle()
-{
-    m_style = document()->styleForElementIgnoringPendingStylesheets(this);
-}
-
-RenderStyle* HTMLTitleElement::nonRendererStyle() const
-{
-    return m_style.get();
-}
-
-PassRefPtr<RenderStyle> HTMLTitleElement::customStyleForRenderer()
-{
-    // styleForRenderer is called whenever a new style should be associated
-    // with an Element so now is a good time to update our cached style.
-    updateNonRenderStyle();
-    return m_style;
-}
-
-void HTMLTitleElement::didRecalcStyle(StyleChange)
-{
-    if (isInShadowTree())
-        return;
-
-    document()->setTitleElement(textWithDirection(), this);
+        document()->setTitleElement(text(), this);
 }
 
 String HTMLTitleElement::text() const
 {
     StringBuilder result;
 
     for (Node *n = firstChild(); n; n = n->nextSibling()) {
         if (n->isTextNode())
             result.append(toText(n)->data());
     }
 
     return result.toString();
 }
 
-StringWithDirection HTMLTitleElement::textWithDirection()
-{
-    TextDirection direction = LTR;
-    if (m_style)
-        direction = m_style->direction();
-    return StringWithDirection(text(), direction);
-}
-
 void HTMLTitleElement::setText(const String &value)
 {
     RefPtr<Node> protectFromMutationEvents(this);
 
     int numChildren = childNodeCount();
 
     if (numChildren == 1 && firstChild()->isTextNode())
         toText(firstChild())->setData(value);
     else {
         // We make a copy here because entity of "value" argument can be Document::m_title,
         // which goes empty during removeChildren() invocation below,
         // which causes HTMLTitleElement::childrenChanged(), which ends up Document::setTitle().
         String valueCopy(value);
 
         if (numChildren > 0)
             removeChildren();
 
         appendChild(document()->createTextNode(valueCopy.impl()), IGNORE_EXCEPTION, DeprecatedAttachNow);
     }
 }
 
 }