Introduce ClassicPendingScript::is_external_ explicitly

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

Index: third_party/WebKit/Source/core/dom/ClassicPendingScript.h
diff --git a/third_party/WebKit/Source/core/dom/ClassicPendingScript.h b/third_party/WebKit/Source/core/dom/ClassicPendingScript.h
index aa78d17141ae8353edc8616ccb0b6ea86f2bfb4f..7110a9083ceb455ed12fc3a3007f47e596f84c08 100644
--- a/third_party/WebKit/Source/core/dom/ClassicPendingScript.h
+++ b/third_party/WebKit/Source/core/dom/ClassicPendingScript.h
@@ -49,7 +49,7 @@ class CORE_EXPORT ClassicPendingScript final
   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;
@@ -75,6 +75,8 @@ class CORE_EXPORT ClassicPendingScript final
   // MemoryCoordinatorClient
   void OnPurgeMemory() override;
 
+  const bool is_external_;
+
   bool integrity_failure_;
 
   Member<ScriptStreamer> streamer_;