[DirectWrite] Force aliased rendering for Gulim at small sizes

Source/platform/fonts/win/FontCacheSkiaWin.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Computer, Inc.
  * Copyright (c) 2006, 2007, 2008, 2009, 2012 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.
@@ skipping 213 matching lines @@
         fontDescription.style() == FontStyleItalic && !tf->isItalic() || fontDescription.isSyntheticItalic(),
         fontDescription.orientation(),
         s_useSubpixelPositioning);
 
     struct FamilyMinSize {
         const wchar_t* family;
         unsigned minSize;
     };
     const static FamilyMinSize minAntiAliasSizeForFont[] = {
         { L"simsun", 16 },
-        { L"dotum", 12 }
+        { L"dotum", 12 },
+        { L"gulim", 12 }
     };
     size_t numFonts = WTF_ARRAY_LENGTH(minAntiAliasSizeForFont);
     for (size_t i = 0; i < numFonts; i++) {
         FamilyMinSize entry = minAntiAliasSizeForFont[i];
         if (typefacesMatchesFamily(tf.get(), entry.family)) {
             result->setMinSizeForAntiAlias(entry.minSize);
             break;
         }
     }
 
     return result;
 }
 
 }