Document.write should always be processed synchronously regardless of bg parser

Source/core/html/parser/HTMLDocumentParser.cpp

Index: Source/core/html/parser/HTMLDocumentParser.cpp
diff --git a/Source/core/html/parser/HTMLDocumentParser.cpp b/Source/core/html/parser/HTMLDocumentParser.cpp
index 6dbc7c5ee26f18ed85820b741e1bb9ac910bf7cf..65297c94df0a6358b8806d44e9349f8bbbc9fee8 100644
--- a/Source/core/html/parser/HTMLDocumentParser.cpp
+++ b/Source/core/html/parser/HTMLDocumentParser.cpp
@@ -259,15 +259,8 @@ bool HTMLDocumentParser::processingData() const
 
 void HTMLDocumentParser::pumpTokenizerIfPossible()
 {
-    if (isStopped())
-        return;
-    if (isWaitingForScripts())
-        return;
-
-    // Once a resume is scheduled, HTMLParserScheduler controls when we next pump.
-    if (isScheduledForResume()) {
+    if (isStopped() || isWaitingForScripts())
         return;
-    }
 
     pumpTokenizer();
 }
@@ -564,7 +557,6 @@ static PassRefPtr<MediaValues> createMediaValues(Document* document)
 void HTMLDocumentParser::pumpTokenizer()
 {
     ASSERT(!isStopped());
-    ASSERT(!isScheduledForResume());
 #if !ENABLE(OILPAN)
     // ASSERT that this object is both attached to the Document and protected.
     ASSERT(refCount() >= 2);