Make small-caps work correctly with tr locale

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 113 matching lines @@
 }
 
 static const AtomicString& defaultLocale()
 {
     DEFINE_STATIC_LOCAL(AtomicString, locale, ());
     if (locale.isNull())
         locale = AtomicString("en");
     return locale;
 }
 
-const AtomicString& FontDescription::locale() const
+const AtomicString& FontDescription::locale(bool includeDefault) const
 {
-    if (m_locale.isNull())
+    if (m_locale.isNull() && includeDefault)
         return defaultLocale();
     return m_locale;
 }
 
 void FontDescription::setTraits(FontTraits traits)
 {
     setStyle(traits.style());
     setVariant(traits.variant());
     setWeight(traits.weight());
     setStretch(traits.stretch());
@@ skipping 87 matching lines @@
 
         if (discretionaryLigaturesState() == FontDescription::EnabledLigaturesState
             || historicalLigaturesState() == FontDescription::EnabledLigaturesState
             || contextualLigaturesState() == FontDescription::EnabledLigaturesState) {
             m_typesettingFeatures |= blink::Ligatures;
         }
     }
 }
 
 } // namespace blink