Revert of Create MediaValuesCached and TokenPreloadScanner on the parser thread

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

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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
@@ skipping 30 matching lines @@
 
 typedef size_t TokenPreloadScannerCheckpoint;
 
 class HTMLParserOptions;
 class HTMLTokenizer;
 class SegmentedString;
 
 struct CORE_EXPORT CachedDocumentParameters {
     USING_FAST_MALLOC(CachedDocumentParameters);
 public:
-    static PassOwnPtr<CachedDocumentParameters> create(Document* document)
+    static PassOwnPtr<CachedDocumentParameters> create(Document* document, PassRefPtrWillBeRawPtr<MediaValuesCached> mediaValues = nullptr)
     {
-        return adoptPtr(new CachedDocumentParameters(document));
+        return adoptPtr(new CachedDocumentParameters(document, mediaValues));
     }
 
     bool doHtmlPreloadScanning;
+    RefPtrWillBeCrossThreadPersistent<MediaValuesCached> mediaValues;
     Length defaultViewportMinWidth;
     bool viewportMetaZeroValuesQuirk;
     bool viewportMetaEnabled;
     ReferrerPolicy referrerPolicy;
 
 private:
-    explicit CachedDocumentParameters(Document*);
+    CachedDocumentParameters(Document*, PassRefPtrWillBeRawPtr<MediaValuesCached>);
 };
 
 class TokenPreloadScanner {
     WTF_MAKE_NONCOPYABLE(TokenPreloadScanner); USING_FAST_MALLOC(TokenPreloadScanner);
 public:
-    TokenPreloadScanner(const KURL& documentURL, PassOwnPtr<CachedDocumentParameters>, const MediaValuesCached::MediaValuesCachedData&);
+    TokenPreloadScanner(const KURL& documentURL, PassOwnPtr<CachedDocumentParameters>);
     ~TokenPreloadScanner();
 
     void scan(const HTMLToken&, const SegmentedString&, PreloadRequestStream& requests);
     void scan(const CompactHTMLToken&, const SegmentedString&, PreloadRequestStream& requests);
 
     void setPredictedBaseElementURL(const KURL& url) { m_predictedBaseElementURL = url; }
 
     // A TokenPreloadScannerCheckpoint is valid until the next call to rewindTo,
     // at which point all outstanding checkpoints are invalidated.
     TokenPreloadScannerCheckpoint createCheckpoint();
     void rewindTo(TokenPreloadScannerCheckpoint);
 
+    bool isSafeToSendToAnotherThread()
+    {
+        return m_documentURL.isSafeToSendToAnotherThread()
+            && m_predictedBaseElementURL.isSafeToSendToAnotherThread();
+    }
+
 private:
     class StartTagScanner;
 
     template <typename Token>
     inline void scanCommon(const Token&, const SegmentedString&, PreloadRequestStream& requests);
 
     template<typename Token>
     void updatePredictedBaseURL(const Token&);
 
     struct Checkpoint {
@@ skipping 29 matching lines @@
     CSSPreloadScanner m_cssScanner;
     const KURL m_documentURL;
     KURL m_predictedBaseElementURL;
     bool m_inStyle;
     bool m_inPicture;
     bool m_isAppCacheEnabled;
     bool m_isCSPEnabled;
     PictureData m_pictureData;
     size_t m_templateCount;
     OwnPtr<CachedDocumentParameters> m_documentParameters;
-    RefPtrWillBePersistent<MediaValuesCached> m_mediaValues;
     ClientHintsPreferences m_clientHintsPreferences;
 
     Vector<Checkpoint> m_checkpoints;
 };
 
 class CORE_EXPORT HTMLPreloadScanner {
     WTF_MAKE_NONCOPYABLE(HTMLPreloadScanner); USING_FAST_MALLOC(HTMLPreloadScanner);
 public:
-    static PassOwnPtr<HTMLPreloadScanner> create(const HTMLParserOptions& options, const KURL& documentURL, PassOwnPtr<CachedDocumentParameters> documentParameters, const MediaValuesCached::MediaValuesCachedData& mediaValuesCachedData)
+    static PassOwnPtr<HTMLPreloadScanner> create(const HTMLParserOptions& options, const KURL& documentURL, PassOwnPtr<CachedDocumentParameters> documentParameters)
     {
-        return adoptPtr(new HTMLPreloadScanner(options, documentURL, documentParameters, mediaValuesCachedData));
+        return adoptPtr(new HTMLPreloadScanner(options, documentURL, documentParameters));
     }
 
 
+    HTMLPreloadScanner(const HTMLParserOptions&, const KURL& documentURL, PassOwnPtr<CachedDocumentParameters>);
     ~HTMLPreloadScanner();
 
     void appendToEnd(const SegmentedString&);
     void scan(ResourcePreloader*, const KURL& documentBaseElementURL);
 
 private:
-    HTMLPreloadScanner(const HTMLParserOptions&, const KURL& documentURL, PassOwnPtr<CachedDocumentParameters>, const MediaValuesCached::MediaValuesCachedData&);
-
     TokenPreloadScanner m_scanner;
     SegmentedString m_source;
     HTMLToken m_token;
     OwnPtr<HTMLTokenizer> m_tokenizer;
 };
 
 } // namespace blink
 
 #endif