Remove text-combine.

sky/engine/core/rendering/RenderCombineText.h

Index: sky/engine/core/rendering/RenderCombineText.h
diff --git a/sky/engine/core/rendering/RenderCombineText.h b/sky/engine/core/rendering/RenderCombineText.h
deleted file mode 100644
index c1fc771a767cfc4b3ad552ef8369b86b775a56e5..0000000000000000000000000000000000000000
--- a/sky/engine/core/rendering/RenderCombineText.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * 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
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef RenderCombineText_h
-#define RenderCombineText_h
-
-#include "core/rendering/RenderText.h"
-#include "platform/fonts/Font.h"
-
-namespace blink {
-
-class RenderCombineText final : public RenderText {
-public:
-    RenderCombineText(Node*, PassRefPtr<StringImpl>);
-
-    void combineText();
-    void adjustTextOrigin(FloatPoint& textOrigin, const FloatRect& boxRect) const;
-    void getStringToRender(int, StringView&, int& length) const;
-    bool isCombined() const { return m_isCombined; }
-    float combinedTextWidth(const Font& font) const { return font.fontDescription().computedSize(); }
-    const Font& originalFont() const { return parent()->style()->font(); }
-
-private:
-    virtual bool isCombineText() const override { return true; }
-    virtual float width(unsigned from, unsigned length, const Font&, float xPosition, TextDirection, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* = 0) const override;
-    virtual const char* renderName() const override { return "RenderCombineText"; }
-    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
-    virtual void setTextInternal(PassRefPtr<StringImpl>) override;
-
-    float m_combinedTextWidth;
-    String m_renderingText;
-    bool m_isCombined : 1;
-    bool m_needsFontUpdate : 1;
-};
-
-DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderCombineText, isCombineText());
-
-} // namespace blink
-
-#endif // RenderCombineText_h