Notify the HTMLDocumentParser on document element available

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

Index: third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
diff --git a/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp b/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
index cf5ea7ff0fa1726080d852e328860a78bf4e3f30..053f0cc8736a53de74038a953b0a6594adb8e141 100644
--- a/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
+++ b/third_party/WebKit/Source/core/html/parser/HTMLDocumentParser.cpp
@@ -454,8 +454,6 @@ size_t HTMLDocumentParser::processParsedChunkFromBackgroundParser(PassOwnPtr<Par
         if (isStopped())
             break;
 
-        pumpPreloadQueue();
-
         if (!m_triedLoadingLinkHeaders && document()->loader()) {
             String linkHeader = document()->loader()->response().httpHeaderField(HTTPNames::Link);
             if (!linkHeader.isEmpty()) {
@@ -1055,11 +1053,10 @@ void HTMLDocumentParser::setDecoder(PassOwnPtr<TextResourceDecoder> decoder)
         HTMLParserThread::shared()->postTask(threadSafeBind(&BackgroundHTMLParser::setDecoder, m_backgroundParser, passed(takeDecoder())));
 }
 
-void HTMLDocumentParser::pumpPreloadQueue()
+void HTMLDocumentParser::documentElementAvailable()
 {
-    if (!document()->documentElement())
-        return;
-
+    TRACE_EVENT0("blink,loader", "HTMLDocumentParser::documentElementAvailable");
+    DCHECK(document()->documentElement());
     for (const String& scriptSource : m_queuedDocumentWriteScripts) {
         evaluateAndPreloadScriptForDocumentWrite(scriptSource);
     }