Add ascii() / latin1() / utf8() methods to AtomicString to avoid having to call string()

Source/platform/fonts/skia/FontCacheSkia.cpp

 /*
  * Copyright (c) 2006, 2007, 2008, 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 114 matching lines @@
 
         FontDescription::GenericFamilyType type = fontDescription.genericFamily();
         for (unsigned i = 0; i < SK_ARRAY_COUNT(fontDescriptions); i++) {
             if (type == fontDescriptions[i].mType) {
                 name = fontDescriptions[i].mName;
                 break;
             }
         }
     } else {
         // convert the name to utf8
-        name = family.string().utf8();
+        name = family.utf8();
     }
 
     int style = SkTypeface::kNormal;
     if (fontDescription.weight() >= FontWeightBold)
         style |= SkTypeface::kBold;
     if (fontDescription.italic())
         style |= SkTypeface::kItalic;
 
     // FIXME: Use SkFontStyle and matchFamilyStyle instead of legacyCreateTypeface.
 #if OS(WIN) && !ENABLE(GDI_FONTS_ON_WINDOWS)
@@ skipping 17 matching lines @@
         fontSize,
         (fontDescription.weight() >= FontWeightBold && !tf->isBold()) || fontDescription.isSyntheticBold(),
         (fontDescription.italic() && !tf->isItalic()) || fontDescription.isSyntheticItalic(),
         fontDescription.orientation(),
         fontDescription.useSubpixelPositioning());
     return result;
 }
 #endif // !OS(WINDOWNS)
 
 } // namespace WebCore