Avoiding multiple text/string parsing while creating TextRun

Source/platform/fonts/Font.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, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Holger Hans Peter Freyther
  *
  * 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 144 matching lines @@
 
     static bool isCJKIdeograph(UChar32);
     static bool isCJKIdeographOrSymbol(UChar32);
 
     static unsigned expansionOpportunityCount(const LChar*, size_t length, TextDirection, bool& isAfterExpansion);
     static unsigned expansionOpportunityCount(const UChar*, size_t length, TextDirection, bool& isAfterExpansion);
 
     static void setShouldUseSmoothing(bool);
     static bool shouldUseSmoothing();
 
-    enum CodePath { Auto, Simple, Complex, SimpleWithGlyphOverflow };
     CodePath codePath(const TextRun&) const;
-    static CodePath characterRangeCodePath(const LChar*, unsigned) { return Simple; }
+    static CodePath characterRangeCodePath(const LChar*, unsigned) { return SimplePath; }
     static CodePath characterRangeCodePath(const UChar*, unsigned len);
 
 private:
     enum ForTextEmphasisOrNot { NotForTextEmphasis, ForTextEmphasis };
 
     // Returns the initial in-stream advance.
     float getGlyphsAndAdvancesForSimpleText(const TextRun&, int from, int to, GlyphBuffer&, ForTextEmphasisOrNot = NotForTextEmphasis) const;
     void drawSimpleText(GraphicsContext*, const TextRunPaintInfo&, const FloatPoint&) const;
     void drawEmphasisMarksForSimpleText(GraphicsContext*, const TextRunPaintInfo&, const AtomicString& mark, const FloatPoint&) const;
     void drawGlyphs(GraphicsContext*, const SimpleFontData*, const GlyphBuffer&, unsigned from, unsigned numGlyphs, const FloatPoint&, const FloatRect& textRect) const;
@@ skipping 155 matching lines @@
 
 namespace WTF {
 
 template <> struct PLATFORM_EXPORT OwnedPtrDeleter<WebCore::TextLayout> {
     static void deletePtr(WebCore::TextLayout*);
 };
 
 }
 
 #endif