Explicitly set text direction for TextRuns

Source/core/rendering/RenderCombineText.cpp

 /*
  * Copyright (C) 2011 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 37 matching lines @@
     m_needsFontUpdate = true;
 }
 
 void RenderCombineText::setTextInternal(PassRefPtr<StringImpl> text)
 {
     RenderText::setTextInternal(text);
 
     m_needsFontUpdate = true;
 }
 
-float RenderCombineText::width(unsigned from, unsigned length, const Font& font, float xPosition, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
+float RenderCombineText::width(unsigned from, unsigned length, const Font& font, float xPosition, TextDirection direction, HashSet<const SimpleFontData*>* fallbackFonts, GlyphOverflow* glyphOverflow) const
 {
     if (hasEmptyText())
         return 0;
 
     if (m_isCombined)
         return font.size();
 
-    return RenderText::width(from, length, font, xPosition, fallbackFonts, glyphOverflow);
+    return RenderText::width(from, length, font, xPosition, direction, fallbackFonts, glyphOverflow);
 }
 
 void RenderCombineText::adjustTextOrigin(FloatPoint& textOrigin, const FloatRect& boxRect) const
 {
     if (m_isCombined)
         textOrigin.move(boxRect.height() / 2 - ceilf(m_combinedTextWidth) / 2, style()->font().pixelSize());
 }
 
 void RenderCombineText::getStringToRender(int start, StringView& string, int& length) const
 {
@@ skipping 57 matching lines @@
     if (shouldUpdateFont)
         style()->font().update(fontSelector);
 
     if (m_isCombined) {
         DEFINE_STATIC_LOCAL(String, objectReplacementCharacterString, (&objectReplacementCharacter, 1));
         RenderText::setTextInternal(objectReplacementCharacterString.impl());
     }
 }
 
 } // namespace WebCore