Reduce unnecessary usage of TextCaseSensitivity::TextCaseInsensitive.

third_party/WebKit/Source/wtf/text/StringImpl.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 37 matching lines @@
 template <typename>
 class RetainPtr;
 
 enum TextCaseSensitivity {
   TextCaseSensitive,
   TextCaseASCIIInsensitive,
 
   // Unicode aware case insensitive matching. Non-ASCII characters might match
   // to ASCII characters. This flag is rarely used to implement web platform
   // features.
-  TextCaseInsensitive
+  TextCaseUnicodeInsensitive
 };
 
 enum StripBehavior { StripExtraWhiteSpace, DoNotStripWhiteSpace };
 
 typedef bool (*CharacterMatchFunctionPtr)(UChar);
 typedef bool (*IsWhiteSpaceFunctionPtr)(UChar);
 typedef HashMap<unsigned, StringImpl*, AlreadyHashed> StaticStringsTable;
 
 // Define STRING_STATS to turn on run time statistics of string sizes and memory
 // usage
@@ skipping 764 matching lines @@
 };
 template <>
 struct DefaultHash<RefPtr<StringImpl>> {
   typedef StringHash Hash;
 };
 
 }  // namespace WTF
 
 using WTF::StringImpl;
 using WTF::TextCaseASCIIInsensitive;
-using WTF::TextCaseInsensitive;
+using WTF::TextCaseUnicodeInsensitive;
 using WTF::TextCaseSensitive;
 using WTF::TextCaseSensitivity;
 using WTF::equal;
 using WTF::equalNonNull;
 using WTF::lengthOfNullTerminatedString;
 using WTF::reverseFind;
 
 #endif