Build animated font properties through FontBuilder.

Source/core/rendering/style/RenderStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 1090 matching lines @@
 
     void setHasAutoClip() { SET_VAR(visual, hasAutoClip, true); SET_VAR(visual, clip, RenderStyle::initialClip()); }
     void setClip(const LengthBox& box) { SET_VAR(visual, hasAutoClip, false); SET_VAR(visual, clip, box); }
 
     void setUnicodeBidi(EUnicodeBidi b) { noninherited_flags.unicodeBidi = b; }
 
     void setClear(EClear v) { noninherited_flags.clear = v; }
     void setTableLayout(ETableLayout v) { noninherited_flags.tableLayout = v; }
 
     bool setFontDescription(const FontDescription&);
-    // Only used for blending font sizes when animating and for text autosizing.
-    void setFontSize(float);
-    void setFontStretch(FontStretch);
-    void setFontWeight(FontWeight);
 
-    void setTextAutosizingMultiplier(float v)
-    {
-        SET_VAR(inherited, textAutosizingMultiplier, v);
-        setFontSize(fontDescription().specifiedSize());
-    }
+    void setTextAutosizingMultiplier(float);
 
     void setColor(const Color&);
     void setTextIndent(const Length& v) { SET_VAR(rareInheritedData, indent, v); }
     void setTextIndentLine(TextIndentLine v) { SET_VAR(rareInheritedData, m_textIndentLine, v); }
     void setTextIndentType(TextIndentType v) { SET_VAR(rareInheritedData, m_textIndentType, v); }
     void setTextAlign(ETextAlign v) { inherited_flags._text_align = v; }
     void setTextAlignLast(TextAlignLast v) { SET_VAR(rareInheritedData, m_textAlignLast, v); }
     void setTextJustify(TextJustify v) { SET_VAR(rareInheritedData, m_textJustify, v); }
     void setTextTransform(ETextTransform v) { inherited_flags._text_transform = v; }
     void applyTextDecorations();
@@ skipping 780 matching lines @@
 inline bool RenderStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
 }
 
 float calcBorderRadiiConstraintScaleFor(const FloatRect&, const FloatRoundedRect::Radii&);
 
 } // namespace blink
 
 #endif // RenderStyle_h