Replace ENABLE_OPENTYPE_VERTICAL implementation with HarfBuzz

Source/platform/fonts/FontDataCache.cpp

 /*
  * Copyright (C) 2013 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 78 matching lines @@
     if (it == m_cache.end())
         return;
 
     ASSERT(it->value.second);
     if (!--it->value.second)
         m_inactiveFontData.add(it->value.first);
 }
 
 void FontDataCache::markAllVerticalData()
 {
-#if ENABLE(OPENTYPE_VERTICAL)
     Cache::iterator end = m_cache.end();
     for (Cache::iterator fontData = m_cache.begin(); fontData != end; ++fontData) {
         OpenTypeVerticalData* verticalData = const_cast<OpenTypeVerticalData*>(fontData->value.first->verticalData());
         if (verticalData)
             verticalData->setInFontCache(true);
     }
-#endif
 }
 
 bool FontDataCache::purge(PurgeSeverity PurgeSeverity)
 {
     if (PurgeSeverity == ForcePurge)
         return purgeLeastRecentlyUsed(INT_MAX);
 
     if (m_inactiveFontData.size() > cMaxInactiveFontData)
         return purgeLeastRecentlyUsed(m_inactiveFontData.size() - cTargetInactiveFontData);
 
@@ skipping 29 matching lines @@
     bool didWork = fontDataToDelete.size();
 
     fontDataToDelete.clear();
 
     isPurging = false;
 
     return didWork;
 }
 
 } // namespace blink