Make |ScriptLoader::m_characterEncoding| a local variable

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 50 matching lines @@
   };
   static bool isValidScriptTypeAndLanguage(
       const String& typeAttributeValue,
       const String& languageAttributeValue,
       LegacyTypeSupport supportLegacyTypes);
 
   bool prepareScript(
       const TextPosition& scriptStartPosition = TextPosition::minimumPosition(),
       LegacyTypeSupport = DisallowLegacyTypeInTypeAttribute);
 
-  String scriptCharset() const { return m_characterEncoding; }
   String scriptContent() const;
   // Returns false if and only if execution was blocked.
   bool executeScript(const ScriptSourceCode&);
   virtual void execute();
 
   // XML parser calls these
   void dispatchLoadEvent();
   void dispatchErrorEvent();
   bool isScriptTypeSupported(LegacyTypeSupport) const;
 
@@ skipping 40 matching lines @@
   ScriptLoader(Element*,
                bool createdByParser,
                bool isEvaluated,
                bool createdDuringDocumentWrite);
 
  private:
   bool ignoresLoadRequest() const;
   bool isScriptForEventSupported() const;
   void logScriptMIMEType(LocalFrame*, ScriptResource*, const String&);
 
-  bool fetchScript(const String& sourceUrl, FetchRequest::DeferOption);
+  bool fetchScript(const String& sourceUrl,
+                   const String& encoding,
+                   FetchRequest::DeferOption);
   bool doExecuteScript(const ScriptSourceCode&);
 
   ScriptLoaderClient* client() const;
 
   // PendingScriptClient
   void pendingScriptFinished(PendingScript*) override;
 
   Member<Element> m_element;
   Member<ScriptResource> m_resource;
   WTF::OrdinalNumber m_startLineNumber;
-  String m_characterEncoding;
-  String m_fallbackCharacterEncoding;
 
   bool m_parserInserted : 1;
   bool m_isExternalScript : 1;
   bool m_alreadyStarted : 1;
   bool m_haveFiredLoad : 1;
   // Same as "The parser will handle executing the script."
   bool m_willBeParserExecuted : 1;
   bool m_readyToBeParserExecuted : 1;
   bool m_willExecuteWhenDocumentFinishedParsing : 1;
   bool m_forceAsync : 1;
@@ skipping 16 matching lines @@
   DocumentWriteIntervention m_documentWriteIntervention;
 
   Member<PendingScript> m_pendingScript;
 };
 
 ScriptLoader* toScriptLoaderIfPossible(Element*);
 
 }  // namespace blink
 
 #endif  // ScriptLoader_h