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

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 277 matching lines @@
 {
     ASSERT(scriptingContentIsAllowed(parserContentPolicy()));
 
     TextPosition scriptStartPosition = TextPosition::belowRangePosition();
     RefPtrWillBeRawPtr<Element> scriptElement = m_treeBuilder->takeScriptToProcess(scriptStartPosition);
     // We will not have a scriptRunner when parsing a DocumentFragment.
     if (m_scriptRunner)
         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())
             return false;
         if (isWaitingForScripts())
             return false;
     }
 
     // FIXME: It's wrong for the HTMLDocumentParser to reach back to the
     //        LocalFrame, but this approach is how the old parser handled
@@ skipping 262 matching lines @@
     // FIXME: m_input.current().length() is only accurate if we
     // end up parsing the whole buffer in this pump.  We should pass how
     // much we parsed as part of didWriteHTML instead of willWriteHTML.
     TRACE_EVENT_BEGIN1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ParseHTML", "beginData", InspectorParseHtmlEvent::beginData(document(), m_input.current().currentLine().zeroBasedInt()));
     TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.stack"), "CallStack", "stack", InspectorCallStackEvent::currentCallStack());
     // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
     InspectorInstrumentationCookie cookie = InspectorInstrumentation::willWriteHTML(document(), m_input.current().currentLine().zeroBasedInt());
 
     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());
 
         if (!m_tokenizer->nextToken(m_input.current(), token()))
             break;
 
         if (!isParsingFragment()) {
             m_sourceTracker.end(m_input.current(), m_tokenizer.get(), token());
 
             // We do not XSS filter innerHTML, which means we (intentionally) fail
@@ skipping 13 matching lines @@
 #endif
 
     if (isStopped())
         return;
 
     // There should only be PendingText left since the tree-builder always flushes
     // the task queue before returning. In case that ever changes, crash.
     m_treeBuilder->flush(FlushAlways);
     RELEASE_ASSERT(!isStopped());
 
-    if (session.needsYield)
-        m_parserScheduler->scheduleForResume();
-
     if (isWaitingForScripts()) {
         ASSERT(m_tokenizer->state() == HTMLTokenizer::DataState);
         if (!m_preloadScanner) {
             m_preloadScanner = adoptPtr(new HTMLPreloadScanner(m_options, document()->url(), createMediaValues(document())));
             m_preloadScanner->appendToEnd(m_input.current());
         }
         m_preloadScanner->scan(m_preloader.get(), document()->baseElementURL());
     }
 
     TRACE_EVENT_END1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "ParseHTML", "endLine", m_input.current().currentLine().zeroBasedInt());
@@ skipping 417 matching lines @@
 void HTMLDocumentParser::setDecoder(PassOwnPtr<TextResourceDecoder> decoder)
 {
     ASSERT(decoder);
     DecodedDataDocumentParser::setDecoder(decoder);
 
     if (m_haveBackgroundParser)
         HTMLParserThread::shared()->postTask(bind(&BackgroundHTMLParser::setDecoder, m_backgroundParser, takeDecoder()));
 }
 
 }