Pass IJS_Runtime, not IJS_Context, to native object constructors.

fpdfsdk/src/javascript/JS_Runtime.h

Index: fpdfsdk/src/javascript/JS_Runtime.h
diff --git a/fpdfsdk/src/javascript/JS_Runtime.h b/fpdfsdk/src/javascript/JS_Runtime.h
index 8cbec38fc633124e13ca40b6d50f55b80cecf381..ad36e5afe23dae27ec980d290768181366a521be 100644
--- a/fpdfsdk/src/javascript/JS_Runtime.h
+++ b/fpdfsdk/src/javascript/JS_Runtime.h
@@ -40,6 +40,10 @@ class CJS_Runtime : public IJS_Runtime {
   IJS_Context* GetCurrentContext() override;
   void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override;
   CPDFSDK_Document* GetReaderDocument() override { return m_pDocument; }
+  int Execute(IJS_Context* cc,
+              const wchar_t* script,
+              long length,
+              CFX_WideString& info) override;
 
   CPDFDoc_Environment* GetReaderApp() const { return m_pApp; }