Make font-related CSS properties less custom.

Source/platform/fonts/FontDescription.cpp

 /*
  * Copyright (C) 2007 Nicholas Shanks <contact@nickshanks.com>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 173 matching lines @@
 
 TypesettingFeatures FontDescription::defaultTypesettingFeatures()
 {
     return s_defaultTypesettingFeatures;
 }
 
 void FontDescription::updateTypesettingFeatures() const
 {
     m_typesettingFeatures = s_defaultTypesettingFeatures;
 
-    switch (textRenderingMode()) {
+    switch (textRendering()) {
     case AutoTextRendering:
         break;
     case OptimizeSpeed:
         m_typesettingFeatures &= ~(WebCore::Kerning | Ligatures);
         break;
     case GeometricPrecision:
     case OptimizeLegibility:
         m_typesettingFeatures |= WebCore::Kerning | Ligatures;
         break;
     }
@@ skipping 15 matching lines @@
         break;
     case FontDescription::EnabledLigaturesState:
         m_typesettingFeatures |= Ligatures;
         break;
     case FontDescription::NormalLigaturesState:
         break;
     }
 }
 
 } // namespace WebCore