INPUT pattern attribute: Enable "unicode" flag.

third_party/WebKit/Source/core/frame/UseCounter.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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1054 matching lines @@
         DocumentAllItemNoArguments = 1252,
         DocumentAllItemNamed = 1253,
         DocumentAllItemIndexed = 1254,
         DocumentAllItemIndexedWithNonNumber = 1255,
         DocumentAllLegacyCallNoArguments = 1256,
         DocumentAllLegacyCallNamed = 1257,
         DocumentAllLegacyCallIndexed = 1258,
         DocumentAllLegacyCallIndexedWithNonNumber = 1259,
         DocumentAllLegacyCallTwoArguments = 1260,
         HTMLLabelElementControlForNonFormAssociatedElement = 1263,
-        PatternAttributeUnicodeFlagIsIncompatible = 1264,
         HTMLMediaElementLoadNetworkEmptyNotPaused = 1265,
         EventRelatedTargetScoped = 1266,
         V8Window_WebkitSpeechGrammar_ConstructorGetter = 1267,
         V8Window_WebkitSpeechGrammarList_ConstructorGetter = 1268,
         V8Window_WebkitSpeechRecognition_ConstructorGetter = 1269,
         V8Window_WebkitSpeechRecognitionError_ConstructorGetter = 1270,
         V8Window_WebkitSpeechRecognitionEvent_ConstructorGetter = 1271,
         V8Window_SpeechSynthesis_AttributeGetter = 1272,
         V8IDBFactory_WebkitGetDatabaseNames_Method = 1273,
         ImageDocument = 1274,
@@ skipping 200 matching lines @@
     friend class UseCounterTest;
     static int m_muteCount;
 
     CountBits m_countBits;
     BitVector m_CSSFeatureBits;
 };
 
 } // namespace blink
 
 #endif // UseCounter_h