Pdfium does not create isolate when it runs in chromium

xfa/include/fxjse/fxjse.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_INCLUDE_FXJSE_FXJSE_H_
 #define XFA_INCLUDE_FXJSE_FXJSE_H_
 
 #include "core/include/fpdfapi/fpdf_parser.h"
 #include "core/include/fxcrt/fx_string.h"
 #include "core/include/fxcrt/fx_system.h"
 
 class CPDFDoc_Environment;
 class CPDF_Page;
 
 typedef struct FXJSE_HRUNTIME_ { void* pData; } * FXJSE_HRUNTIME;
 typedef struct FXJSE_HCONTEXT_ { void* pData; } * FXJSE_HCONTEXT;
 typedef struct FXJSE_HCLASS_ { void* pData; } * FXJSE_HCLASS;
 typedef struct FXJSE_HVALUE_ { void* pData; } * FXJSE_HVALUE;
 typedef struct FXJSE_HOBJECT_ : public FXJSE_HVALUE_{} * FXJSE_HOBJECT;
 
 typedef double FXJSE_DOUBLE;
 void FXJSE_Initialize();
 void FXJSE_Finalize();
 FXJSE_HRUNTIME FXJSE_Runtime_Create();
-void FXJSE_Runtime_Release(FXJSE_HRUNTIME hRuntime);
+void FXJSE_Runtime_Release(FXJSE_HRUNTIME hRuntime, bool bOwnedRuntime);
 typedef struct _FXJSE_CLASS FXJSE_CLASS;
 FXJSE_HCONTEXT FXJSE_Context_Create(FXJSE_HRUNTIME hRuntime,
                                     const FXJSE_CLASS* lpGlobalClass = nullptr,
                                     void* lpGlobalObject = nullptr);
 void FXJSE_Context_Release(FXJSE_HCONTEXT hContext);
 FXJSE_HVALUE FXJSE_Context_GetGlobalObject(FXJSE_HCONTEXT hContext);
 FXJSE_HRUNTIME FXJSE_Context_GetRuntime(FXJSE_HCONTEXT hContext);
 enum FXJSE_CompatibleModeFlags {
   FXJSE_COMPATIBLEMODEFLAG_CONSTRUCTOREXTRAMETHODS = (1 << 0),
   FXJSE_COMPATIBLEMODEFLAGCOUNT = 1,
@@ skipping 129 matching lines @@
 void FXJSE_ThrowMessage(const CFX_ByteStringC& utf8Name,
                         const CFX_ByteStringC& utf8Message);
 FX_BOOL FXJSE_ReturnValue_GetMessage(FXJSE_HVALUE hRetValue,
                                      CFX_ByteString& utf8Name,
                                      CFX_ByteString& utf8Message);
 FX_BOOL FXJSE_ReturnValue_GetLineInfo(FXJSE_HVALUE hRetValue,
                                       int32_t& nLine,
                                       int32_t& nCol);
 
 #endif  // XFA_INCLUDE_FXJSE_FXJSE_H_