Fast path for ThreadSpecific for main thread on TLS-slow platforms

third_party/WebKit/Source/wtf/text/TextCodecICU.cpp

 /*
  * Copyright (C) 2004, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
  *
  * 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 30 matching lines @@
 namespace WTF {
 
 const size_t ConversionBufferSize = 16384;
 
 ICUConverterWrapper::~ICUConverterWrapper() {
   if (converter)
     ucnv_close(converter);
 }
 
 static UConverter*& cachedConverterICU() {
-  return wtfThreadData().cachedConverterICU().converter;
+  return WTFThreadData::current().cachedConverterICU().converter;
 }
 
 std::unique_ptr<TextCodec> TextCodecICU::create(const TextEncoding& encoding,
                                                 const void*) {
   return WTF::wrapUnique(new TextCodecICU(encoding));
 }
 
 void TextCodecICU::registerEncodingNames(EncodingNameRegistrar registrar) {
   // We register Hebrew with logical ordering using a separate name.
   // Otherwise, this would share the same canonical name as the
@@ skipping 640 matching lines @@
   return encodeCommon(characters, length, handling);
 }
 
 CString TextCodecICU::encode(const LChar* characters,
                              size_t length,
                              UnencodableHandling handling) {
   return encodeCommon(characters, length, handling);
 }
 
 }  // namespace WTF