Always use original ascent/descent for FontMetrics::floatAscent|floatDescent

third_party/WebKit/Source/platform/fonts/FontDataCache.h

 /*
  * 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 56 matching lines @@
 };
 
 class FontDataCache {
   USING_FAST_MALLOC(FontDataCache);
   WTF_MAKE_NONCOPYABLE(FontDataCache);
 
  public:
   FontDataCache() {}
 
   PassRefPtr<SimpleFontData> get(const FontPlatformData*,
-                                 ShouldRetain = Retain,
-                                 bool = false);
+                                 ShouldRetain = Retain);
   bool contains(const FontPlatformData*) const;
   void release(const SimpleFontData*);
 
   // This is used by FontVerticalDataCache to mark all items with vertical data
   // that are currently in cache as "in cache", which is later used to sweep the
   // FontVerticalDataCache.
   void markAllVerticalData();
 
   // Purges items in FontDataCache according to provided severity.
   // Returns true if any removal of cache items actually occurred.
   bool purge(PurgeSeverity);
 
  private:
   bool purgeLeastRecentlyUsed(int count);
 
   typedef HashMap<const FontPlatformData*,
                   std::pair<RefPtr<SimpleFontData>, unsigned>,
                   FontDataCacheKeyHash>
       Cache;
   Cache m_cache;
   ListHashSet<RefPtr<SimpleFontData>> m_inactiveFontData;
 };
 
 }  // namespace blink
 
 #endif