Make HTMLParserScheduler inherit from ActiveDOMObject

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

 /*
  * 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 85 matching lines @@
 
   // Exposed for testing.
   HTMLScriptRunnerHost* asHTMLScriptRunnerHostForTesting() { return this; }
 
   HTMLTokenizer* tokenizer() const { return m_tokenizer.get(); }
 
   TextPosition textPosition() const final;
   bool isParsingAtLineNumber() const final;
   OrdinalNumber lineNumber() const final;
 
-  void suspendScheduledTasks() final;
-  void resumeScheduledTasks() final;
-
   HTMLParserReentryPermit* reentryPermit() { return m_reentryPermit.get(); }
 
   struct TokenizedChunk {
     USING_FAST_MALLOC(TokenizedChunk);
 
    public:
     std::unique_ptr<CompactHTMLTokenStream> tokens;
     PreloadRequestStream preloads;
     ViewportDescriptionWrapper viewport;
     XSSInfoStream xssInfos;
@@ skipping 161 matching lines @@
   // speculation buffer. Preloads will be deferred until a token matching this
   // pointer is parsed and the CSP policy is applied. Note that this pointer
   // tracks the *last* meta token in the speculation buffer, so it overestimates
   // how long to defer preloads. This is for simplicity, as the alternative
   // would require keeping track of token positions of preload requests.
   CompactHTMLToken* m_pendingCSPMetaToken;
 
   bool m_shouldUseThreading;
   bool m_endWasDelayed;
   bool m_haveBackgroundParser;
-  bool m_tasksWereSuspended;
   unsigned m_pumpSessionNestingLevel;
   unsigned m_pumpSpeculationsSessionNestingLevel;
   bool m_isParsingAtLineNumber;
   bool m_triedLoadingLinkHeaders;
 };
 
 }  // namespace blink
 
 #endif  // HTMLDocumentParser_h