(CANCELED) Limit word length to shape when !getTypesettingFeatures

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

 /*
  * Copyright (C) 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2015 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 117 matching lines @@
         static const bool hasIsEmptyValueFunction = true;
         static bool isEmptyValue(const SmallStringKey& key) { return key.isHashTableEmptyValue(); }
         static const unsigned minimumTableSize = 16;
     };
 
     friend bool operator==(const SmallStringKey&, const SmallStringKey&);
 
 public:
     ShapeCache(): m_weakFactory(this), m_version(0) { }
 
+    static unsigned maxLengthToCache() { return SmallStringKey::capacity(); }
+
     ShapeCacheEntry* add(const TextRun& run, ShapeCacheEntry entry)
     {
         if (static_cast<unsigned>(run.length()) > SmallStringKey::capacity())
             return 0;
 
         return addSlowCase(run, entry);
     }
 
     void clearIfVersionChanged(unsigned version)
     {
@@ skipping 92 matching lines @@
 inline bool operator==(const ShapeCache::SmallStringKey& a, const ShapeCache::SmallStringKey& b)
 {
     if (a.length() != b.length() || a.direction() != b.direction())
         return false;
     return WTF::equal(a.characters(), b.characters(), a.length());
 }
 
 } // namespace blink
 
 #endif // ShapeCache_h