ParseHTMLOnMainThread: notify main thread of chunks less frequently

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

 /*
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 723 matching lines @@
     config->xssAuditor = wrapUnique(new XSSAuditor);
     config->xssAuditor->init(document(), &m_xssAuditorDelegate);
 
     config->decoder = takeDecoder();
     config->tokenizedChunkQueue = m_tokenizedChunkQueue.get();
     if (document()->settings()) {
         if (document()->settings()->backgroundHtmlParserOutstandingTokenLimit())
             config->outstandingTokenLimit = document()->settings()->backgroundHtmlParserOutstandingTokenLimit();
         if (document()->settings()->backgroundHtmlParserPendingTokenLimit())
             config->pendingTokenLimit = document()->settings()->backgroundHtmlParserPendingTokenLimit();
+        config->shouldCoalesceChunks = document()->settings()->parseHTMLOnMainThreadCoalesceChunks();
     }
 
     ASSERT(config->xssAuditor->isSafeToSendToAnotherThread());
     postTaskToLookaheadParser(
         Synchronous,
         &BackgroundHTMLParser::start,
         reference.release(),
         passed(std::move(config)),
         document()->url(),
         passed(CachedDocumentParameters::create(document())),
@@ skipping 401 matching lines @@
         (*WTF::bind(function, std::forward<Ps>(parameters)...))();
         return;
     case Asynchronous:
         m_loadingTaskRunner->postTask(BLINK_FROM_HERE, WTF::bind(function, std::forward<Ps>(parameters)...));
         return;
     }
     NOTREACHED();
 }
 
 } // namespace blink