Remove state variables in PumpSession as they are no longer used.

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 b77695c3155dc67f6535812b9c3c0b90872b5592..0ef764d72dfd6938a2a8037a8ac49af17154a3ca 100644
--- a/Source/core/html/parser/HTMLDocumentParser.cpp
+++ b/Source/core/html/parser/HTMLDocumentParser.cpp
@@ -295,16 +295,12 @@ void HTMLDocumentParser::runScriptsForPausedTreeBuilder()
         m_scriptRunner->execute(scriptElement.release(), scriptStartPosition);
 }
 
-bool HTMLDocumentParser::canTakeNextToken(PumpSession& session)
+bool HTMLDocumentParser::canTakeNextToken()
 {
     if (isStopped())
         return false;
 
     if (isWaitingForScripts()) {
-        // If we don't run the script, we cannot allow the next token to be taken.
-        if (session.needsYield)
-            return false;
-
         // If we're paused waiting for a script, we try to execute scripts before continuing.
         runScriptsForPausedTreeBuilder();
         if (isStopped())
@@ -587,7 +583,7 @@ void HTMLDocumentParser::pumpTokenizer()
 
     m_xssAuditor.init(document(), &m_xssAuditorDelegate);
 
-    while (canTakeNextToken(session) && !session.needsYield) {
+    while (canTakeNextToken()) {
         if (!isParsingFragment())
             m_sourceTracker.start(m_input.current(), m_tokenizer.get(), token());
 
@@ -621,9 +617,6 @@ void HTMLDocumentParser::pumpTokenizer()
     m_treeBuilder->flush(FlushAlways);
     RELEASE_ASSERT(!isStopped());
 
-    if (session.needsYield)
-        m_parserScheduler->scheduleForResume();
-
     if (isWaitingForScripts()) {
         ASSERT(m_tokenizer->state() == HTMLTokenizer::DataState);
         if (!m_preloadScanner) {