De-Element ScriptLoader

third_party/WebKit/Source/core/dom/ScriptLoader.h

 /*
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 14 matching lines @@
 #include "core/dom/PendingScript.h"
 #include "core/dom/ScriptRunner.h"
 #include "core/loader/resource/ScriptResource.h"
 #include "platform/loader/fetch/FetchRequest.h"
 #include "platform/loader/fetch/ResourceClient.h"
 #include "wtf/text/TextPosition.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-class Element;
+class LocalFrame;
 class ScriptLoaderClient;
 class ScriptSourceCode;
-class LocalFrame;
 
 class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>,
                                  public PendingScriptClient {
   USING_GARBAGE_COLLECTED_MIXIN(ScriptLoader);
 
  public:
-  static ScriptLoader* create(Element* element,
+  static ScriptLoader* create(ScriptLoaderClient* client,
                               bool createdByParser,
                               bool isEvaluated,
                               bool createdDuringDocumentWrite = false) {
-    return new ScriptLoader(element, createdByParser, isEvaluated,
+    return new ScriptLoader(client, createdByParser, isEvaluated,
                             createdDuringDocumentWrite);
   }
 
   ~ScriptLoader() override;
   DECLARE_VIRTUAL_TRACE();
 
-  Element* element() const { return m_element; }
-
   enum LegacyTypeSupport {
     DisallowLegacyTypeInTypeAttribute,
     AllowLegacyTypeInTypeAttribute
   };
   static bool isValidScriptTypeAndLanguage(
       const String& typeAttributeValue,
       const String& languageAttributeValue,
       LegacyTypeSupport supportLegacyTypes);
 
   // https://html.spec.whatwg.org/#prepare-a-script
@@ skipping 41 matching lines @@
 
   bool wasCreatedDuringDocumentWrite() { return m_createdDuringDocumentWrite; }
 
   bool disallowedFetchForDocWrittenScript() {
     return m_documentWriteIntervention ==
            DocumentWriteIntervention::DoNotFetchDocWrittenScript;
   }
   void setFetchDocWrittenScriptDeferIdle();
 
  protected:
-  ScriptLoader(Element*,
+  ScriptLoader(ScriptLoaderClient*,
                bool createdByParser,
                bool isEvaluated,
                bool createdDuringDocumentWrite);
 
  private:
   bool ignoresLoadRequest() const;
   bool isScriptForEventSupported() const;
   void logScriptMIMEType(LocalFrame*, ScriptResource*, const String&);
 
   bool fetchScript(const String& sourceUrl,
                    const String& encoding,
                    FetchRequest::DeferOption);
   bool doExecuteScript(const ScriptSourceCode&);
 
-  ScriptLoaderClient* client() const;
-
   // Clears the connection to the PendingScript.
   void detachPendingScript();
 
   // PendingScriptClient
   void pendingScriptFinished(PendingScript*) override;
 
-  Member<Element> m_element;
+  Member<ScriptLoaderClient> m_client;
   Member<ScriptResource> m_resource;
   WTF::OrdinalNumber m_startLineNumber;
 
   // https://html.spec.whatwg.org/#script-processing-model
   // "A script element has several associated pieces of state.":
 
   // https://html.spec.whatwg.org/#already-started
   // "Initially, script elements must have this flag unset"
   bool m_alreadyStarted = false;
 
@@ skipping 37 matching lines @@
     // will be using DeferOption::IdleLoad to keep it out of the critical
     // path.
     FetchDocWrittenScriptDeferIdle,
   };
 
   DocumentWriteIntervention m_documentWriteIntervention;
 
   Member<PendingScript> m_pendingScript;
 };
 
-ScriptLoader* toScriptLoaderIfPossible(Element*);
-
 }  // namespace blink
 
 #endif  // ScriptLoader_h