Call checkCompleted() synchronously in HTMLLinkElement::dispatchPendingEvent()

third_party/WebKit/Source/core/html/HTMLLinkElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 70 matching lines @@
   bool styleSheetIsLoading() const;
 
   bool isImport() const { return linkImport(); }
   bool isDisabled() const { return linkStyle() && linkStyle()->isDisabled(); }
   bool isEnabledViaScript() const {
     return linkStyle() && linkStyle()->isEnabledViaScript();
   }
 
   DOMTokenList* sizes() const;
 
-  void dispatchPendingEvent(std::unique_ptr<IncrementLoadEventDelayCount>);
   void scheduleEvent();
 
   // From LinkLoaderClient
   bool shouldLoadLink() override;
 
   // For LinkStyle
   bool loadLink(const String& type,
                 const String& as,
                 const String& media,
                 ReferrerPolicy,
@@ skipping 11 matching lines @@
  private:
   HTMLLinkElement(Document&, bool createdByParser);
 
   LinkStyle* linkStyle() const;
   LinkImport* linkImport() const;
   LinkResource* linkResourceToProcess();
 
   void process();
   static void processCallback(Node*);
 
+  // Always call this asynchronously because this can cause synchronous
+  // Document load event and JavaScript execution.
+  void dispatchPendingEvent(std::unique_ptr<IncrementLoadEventDelayCount>);
+
   // From Node and subclassses
   void parseAttribute(const AttributeModificationParams&) override;
   InsertionNotificationRequest insertedInto(ContainerNode*) override;
   void removedFrom(ContainerNode*) override;
   bool isURLAttribute(const Attribute&) const override;
   bool hasLegalLinkAttribute(const QualifiedName&) const override;
   const QualifiedName& subResourceAttributeName() const override;
   bool sheetLoaded() override;
   void notifyLoadedSheetAndAllCriticalSubresources(
       LoadedSheetErrorStatus) override;
@@ skipping 23 matching lines @@
   TraceWrapperMember<RelList> m_relList;
   LinkRelAttribute m_relAttribute;
   String m_scope;
 
   bool m_createdByParser;
 };
 
 }  // namespace blink
 
 #endif  // HTMLLinkElement_h