Skip redundant fonts returned by FontFallbackIterator

third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.h

 /*
  * Copyright (C) 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 182 matching lines @@
         PassRefPtr<UnicodeRangeSet> currentFontRangeSet,
         UScriptCode currentRunScript,
         hb_language_t);
     bool extractShapeResults(hb_buffer_t* harfBuzzBuffer,
         ShapeResult*,
         bool& fontCycleQueued,
         const HolesQueueItem& currentQueueItem,
         const SimpleFontData* currentFont,
         UScriptCode currentRunScript,
         bool isLastResort);
-    bool collectFallbackHintChars(Vector<UChar32>& hint, bool needsList);
+    bool collectFallbackHintChars(Vector<UChar32>& hint);
 
     void insertRunIntoShapeResult(ShapeResult*, std::unique_ptr<ShapeResult::RunInfo> runToInsert, unsigned startGlyph, unsigned numGlyphs, hb_buffer_t*);
 
     std::unique_ptr<UChar[]> m_normalizedBuffer;
     unsigned m_normalizedBufferLength;
 
     FeaturesVector m_features;
     Deque<HolesQueueItem> m_holesQueue;
 };
 
 
 } // namespace blink
 
 #endif // HarfBuzzShaper_h