Remove code related to title directionality, we never used it

Source/testing/runner/TestRunner.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Pawel Hajdan (phajdan.jr@chromium.org)
  * Copyright (C) 2012 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
@@ skipping 96 matching lines @@
     bool shouldDumpIconChanges() const;
     bool shouldDumpCreateView() const;
     bool canOpenWindows() const;
     bool shouldDumpResourceLoadCallbacks() const;
     bool shouldDumpResourceRequestCallbacks() const;
     bool shouldDumpResourceResponseMIMETypes() const;
     bool shouldDumpStatusCallbacks() const;
     bool shouldDumpProgressFinishedCallback() const;
     bool deferMainResourceDataLoad() const;
     bool shouldStayOnPageAfterHandlingBeforeUnload() const;
-    void setTitleTextDirection(WebKit::WebTextDirection);
     const std::set<std::string>* httpHeadersToClear() const;
     void setTopLoadingFrame(WebKit::WebFrame*, bool);
     WebKit::WebFrame* topLoadingFrame() const;
     void policyDelegateDone();
     bool policyDelegateEnabled() const;
     bool policyDelegateIsPermissive() const;
     bool policyDelegateShouldNotifyDone() const;
     bool shouldInterceptPostMessage() const;
     bool shouldDumpResourcePriorities() const;
 #if ENABLE_NOTIFICATIONS
@@ skipping 438 matching lines @@
     WorkQueue m_workQueue;
 
     WebKit::WebURL m_userStyleSheetLocation;
 
     // globalFlag is used by a number of layout tests in http/tests/security/dataURL.
     CppVariant m_globalFlag;
 
     // Bound variable to return the name of this platform (chromium).
     CppVariant m_platformName;
 
-    // Bound variable tracking the directionality of the <title> tag.
-    CppVariant m_titleTextDirection;
-
     // Bound variable counting the number of top URLs visited.
     CppVariant m_webHistoryItemCount;
 
     // Bound variable to set whether postMessages should be intercepted or not
     CppVariant m_interceptPostMessage;
 
     // Bound variable to store the last tooltip text
     CppVariant m_tooltipText;
 
     // Bound variable to disable notifyDone calls. This is used in GC leak
@@ skipping 124 matching lines @@
     enum {
         PointerLockWillSucceed,
         PointerLockWillRespondAsync,
         PointerLockWillFailSync,
     } m_pointerLockPlannedResult;
 };
 
 }
 
 #endif // TestRunner_h