Remove code related to title directionality, we never used it

Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 353 matching lines @@
     if (m_webFrame->client())
         m_webFrame->client()->willClose(m_webFrame);
 }
 
 void FrameLoaderClientImpl::dispatchDidStartProvisionalLoad()
 {
     if (m_webFrame->client())
         m_webFrame->client()->didStartProvisionalLoad(m_webFrame);
 }
 
-void FrameLoaderClientImpl::dispatchDidReceiveTitle(const StringWithDirection& title)
+void FrameLoaderClientImpl::dispatchDidReceiveTitle(const String& title)
 {
     if (m_webFrame->client())
-        m_webFrame->client()->didReceiveTitle(m_webFrame, title.string(), title.direction() == LTR ? WebTextDirectionLeftToRight : WebTextDirectionRightToLeft);
+        m_webFrame->client()->didReceiveTitle(m_webFrame, title, WebTextDirectionLeftToRight);
 }
 
 void FrameLoaderClientImpl::dispatchDidChangeIcons(WebCore::IconType type)
 {
     if (m_webFrame->client())
         m_webFrame->client()->didChangeIcon(m_webFrame, static_cast<WebIconURL::Type>(type));
 }
 
 void FrameLoaderClientImpl::dispatchDidCommitLoad()
 {
@@ skipping 385 matching lines @@
         m_webFrame->client()->didLoseWebGLContext(m_webFrame, arbRobustnessContextLostReason);
 }
 
 void FrameLoaderClientImpl::dispatchWillInsertBody()
 {
     if (m_webFrame->client())
         m_webFrame->client()->willInsertBody(m_webFrame);
 }
 
 } // namespace WebKit