Introduce ClassicPendingScript::is_external_ explicitly

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

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ClassicPendingScript_h
 #define ClassicPendingScript_h
 
 #include "bindings/core/v8/ScriptStreamer.h"
 #include "core/dom/ClassicScript.h"
 #include "core/dom/PendingScript.h"
@@ skipping 31 matching lines @@
 
   DECLARE_TRACE();
 
   blink::ScriptType GetScriptType() const override {
     return blink::ScriptType::kClassic;
   }
 
   ClassicScript* GetSource(const KURL& document_url,
                            bool& error_occurred) const override;
   bool IsReady() const override;
-  bool IsExternal() const override { return GetResource(); }
+  bool IsExternal() const override { return is_external_; }
   bool ErrorOccurred() const override;
   bool WasCanceled() const override;
   void StartStreamingIfPossible(Document*, ScriptStreamer::Type) override;
   KURL UrlForClassicScript() const override;
   void RemoveFromMemoryCache() override;
   void DisposeInternal() override;
 
   void Prefinalize();
 
  private:
   ClassicPendingScript(ScriptElementBase*,
                        ScriptResource*,
                        const TextPosition&);
   ClassicPendingScript() = delete;
 
   void CheckState() const override;
 
   // ScriptResourceClient
   void NotifyFinished(Resource*) override;
   String DebugName() const override { return "PendingScript"; }
   void NotifyAppendData(ScriptResource*) override;
 
   // MemoryCoordinatorClient
   void OnPurgeMemory() override;
 
+  const bool is_external_;
+
   bool integrity_failure_;
 
   Member<ScriptStreamer> streamer_;
 
   // This is a temporary flag to confirm that ClassicPendingScript is not
   // touched after its refinalizer call and thus https://crbug.com/715309
   // doesn't break assumptions.
   // TODO(hiroshige): Check the state in more general way.
   bool prefinalizer_called_ = false;
 };
 
 }  // namespace blink
 
 #endif  // PendingScript_h