Pause HTML parser for external stylesheets in the body

third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulator.cpp

 /*
  * Copyright (C) 2013 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 127 matching lines @@
       // FIXME: This is just a copy of Tokenizer::updateStateFor which uses
       // threadSafeMatches.
       if (threadSafeMatch(tagName, textareaTag) ||
           threadSafeMatch(tagName, titleTag)) {
         tokenizer->setState(HTMLTokenizer::RCDATAState);
       } else if (threadSafeMatch(tagName, plaintextTag)) {
         tokenizer->setState(HTMLTokenizer::PLAINTEXTState);
       } else if (threadSafeMatch(tagName, scriptTag)) {
         tokenizer->setState(HTMLTokenizer::ScriptDataState);
         simulatedToken = ScriptStart;
+      } else if (threadSafeMatch(tagName, linkTag)) {
+        simulatedToken = Link;
       } else if (threadSafeMatch(tagName, styleTag) ||
                  threadSafeMatch(tagName, iframeTag) ||
                  threadSafeMatch(tagName, xmpTag) ||
                  (threadSafeMatch(tagName, noembedTag) &&
                   m_options.pluginsEnabled) ||
                  threadSafeMatch(tagName, noframesTag) ||
                  (threadSafeMatch(tagName, noscriptTag) &&
                   m_options.scriptEnabled)) {
         tokenizer->setState(HTMLTokenizer::RAWTEXTState);
       }
@@ skipping 11 matching lines @@
         (m_namespaceStack.contains(SVG) && m_namespaceStack.back() == HTML &&
          tokenExitsSVG(token)) ||
         (m_namespaceStack.contains(MathML) && m_namespaceStack.back() == HTML &&
          tokenExitsMath(token)))
       m_namespaceStack.pop_back();
     if (threadSafeMatch(tagName, scriptTag)) {
       if (!inForeignContent())
         tokenizer->setState(HTMLTokenizer::DataState);
       return ScriptEnd;
     }
+    if (threadSafeMatch(tagName, styleTag))
+      simulatedToken = StyleEnd;
   }
 
   // FIXME: Also setForceNullCharacterReplacement when in text mode.
   tokenizer->setForceNullCharacterReplacement(inForeignContent());
   tokenizer->setShouldAllowCDATA(inForeignContent());
   return simulatedToken;
 }
 
 }  // namespace blink