Oilpan: Remove raw pointer to LocalFrame from MediaValuesDynamic

Source/core/html/parser/HTMLPreloadScanner.h

Index: Source/core/html/parser/HTMLPreloadScanner.h
diff --git a/Source/core/html/parser/HTMLPreloadScanner.h b/Source/core/html/parser/HTMLPreloadScanner.h
index d36db65356055f61bb2e1bdf936f8617ca880554..60c6a9cff9a9b43e61c1689a3be182da49453788 100644
--- a/Source/core/html/parser/HTMLPreloadScanner.h
+++ b/Source/core/html/parser/HTMLPreloadScanner.h
@@ -46,20 +46,20 @@ class HTMLTokenizer;
 class SegmentedString;
 
 struct CORE_EXPORT CachedDocumentParameters {
-    static PassOwnPtr<CachedDocumentParameters> create(Document* document, PassRefPtr<MediaValues> mediaValues = nullptr)
+    static PassOwnPtr<CachedDocumentParameters> create(Document* document, PassRefPtrWillBeRawPtr<MediaValues> mediaValues = nullptr)
     {
         return adoptPtr(new CachedDocumentParameters(document, mediaValues));
     }
 
     bool doHtmlPreloadScanning;
-    RefPtr<MediaValues> mediaValues;
+    RefPtrWillBeCrossThreadPersistent<MediaValues> mediaValues;
     Length defaultViewportMinWidth;
     bool viewportMetaZeroValuesQuirk;
     bool viewportMetaEnabled;
     ReferrerPolicy referrerPolicy;
 
 private:
-    CachedDocumentParameters(Document*, PassRefPtr<MediaValues>);
+    CachedDocumentParameters(Document*, PassRefPtrWillBeRawPtr<MediaValues>);
 };
 
 class TokenPreloadScanner {