Pause HTML parser for external stylesheets in the body

third_party/WebKit/Source/core/html/parser/BackgroundHTMLParser.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 273 matching lines @@
       }
       if (shouldEvaluateForDocumentWrite) {
         m_likelyDocumentWriteScriptIndices.push_back(m_pendingTokens->size() -
                                                      1);
       }
     }
 
     m_token->clear();
 
     if (simulatedToken == HTMLTreeBuilderSimulator::ScriptEnd ||
+        simulatedToken == HTMLTreeBuilderSimulator::StyleEnd ||
+        simulatedToken == HTMLTreeBuilderSimulator::Link ||
         m_pendingTokens->size() >= m_pendingTokenLimit) {
       shouldNotifyMainThread |= queueChunkForMainThread();
       // If we're far ahead of the main thread, yield for a bit to avoid
       // consuming too much memory.
       if (m_input.totalCheckpointTokenCount() > m_outstandingTokenLimit)
         break;
     }
 
     if (!m_shouldCoalesceChunks && shouldNotifyMainThread) {
       runOnMainThread(&HTMLDocumentParser::notifyPendingTokenizedChunks,
@@ skipping 73 matching lines @@
   if (isMainThread()) {
     (*WTF::bind(function, std::forward<Ps>(parameters)...))();
   } else {
     m_loadingTaskRunner->postTask(
         BLINK_FROM_HERE,
         crossThreadBind(function, std::forward<Ps>(parameters)...));
   }
 }
 
 }  // namespace blink