Remove all writing mode function arguments and remove writing mode from RenderStyle.

sky/engine/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ skipping 1445 matching lines @@
             style = computeRenderStyle(propertyID);
             renderer = m_node->renderer();
         }
     } else {
         style = computeRenderStyle(propertyID);
     }
 
     if (!style)
         return nullptr;
 
-    propertyID = CSSProperty::resolveDirectionAwareProperty(propertyID, style->direction(), style->writingMode());
+    propertyID = CSSProperty::resolveDirectionAwareProperty(propertyID, style->direction());
 
     switch (propertyID) {
         case CSSPropertyInvalid:
             break;
 
         case CSSPropertyBackgroundColor:
             return m_allowVisitedStyle ? cssValuePool().createColorValue(style->colorIncludingFallback(CSSPropertyBackgroundColor).rgb()) : currentColorOrValidColor(*style, style->backgroundColor());
         case CSSPropertyBackgroundImage:
         case CSSPropertyWebkitMaskImage: {
             RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
@@ skipping 1273 matching lines @@
     return list.release();
 }
 
 void CSSComputedStyleDeclaration::trace(Visitor* visitor)
 {
     visitor->trace(m_node);
     CSSStyleDeclaration::trace(visitor);
 }
 
 } // namespace blink