Revert "Moved text decoding to the parser thread"

Source/core/html/parser/HTMLTokenizer.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2010 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 156 matching lines @@
     //
     // The main failures in the approximation are as follows:
     //
     //  * The first set of character tokens emitted for a <pre> element might
     //    contain an extra leading newline.
     //  * The replacement of U+0000 with U+FFFD will not be sensitive to the
     //    tree builder's insertion mode.
     //  * CDATA sections in foreign content will be tokenized as bogus comments
     //    instead of as character tokens.
     //
-    void updateStateFor(const String& tagName);
+    void updateStateFor(const AtomicString& tagName);
 
     bool forceNullCharacterReplacement() const { return m_forceNullCharacterReplacement; }
     void setForceNullCharacterReplacement(bool value) { m_forceNullCharacterReplacement = value; }
 
     bool shouldAllowCDATA() const { return m_shouldAllowCDATA; }
     void setShouldAllowCDATA(bool value) { m_shouldAllowCDATA = value; }
 
     State state() const { return m_state; }
     void setState(State state) { m_state = state; }
 
@@ skipping 94 matching lines @@
     // token (e.g., when lexing script). We buffer the name of the end tag
     // token here so we remember it next time we re-enter the tokenizer.
     Vector<LChar, 32> m_bufferedEndTagName;
 
     HTMLParserOptions m_options;
 };
 
 }
 
 #endif