Hook up the default v8::Platform implementation to pdfium

fpdfsdk/include/javascript/IJavaScript.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 _IJAVASCRIPT_H_
 #define _IJAVASCRIPT_H_
 
+namespace v8 {
+class Platform;
+}
+
 class IFXJS_Context  
 {
 public:
         virtual FX_BOOL                         Compile(const CFX_WideString& script, CFX_WideString& info) = 0;
         virtual FX_BOOL                         RunScript(const CFX_WideString& script, CFX_WideString& info) = 0;
 
 public:
         virtual void                            OnApp_Init() = 0;
 
         virtual void                            OnDoc_Open(CPDFSDK_Document* pDoc, const CFX_WideString& strTargetName) = 0;
@@ skipping 65 matching lines @@
         virtual void                            Enter() = 0;
         virtual FX_BOOL                         IsEntered() = 0;
 };
 
 class CPDFDoc_Environment;
 class CJS_GlobalData;
 
 class CJS_RuntimeFactory
 {
 public:
-        CJS_RuntimeFactory():m_bInit(FALSE),m_nRef(0),m_pGlobalData(NULL),m_nGlobalDataCount(0) {}
+        CJS_RuntimeFactory():m_bInit(FALSE),m_nRef(0),m_pGlobalData(NULL),m_nGlobalDataCount(0),m_platform(NULL) {}
         ~CJS_RuntimeFactory();
         IFXJS_Runtime*                                  NewJSRuntime(CPDFDoc_Environment* pApp);
         void                                                    DeleteJSRuntime(IFXJS_Runtime* pRuntime);
         void                                                    AddRef();
         void                                                    Release();
 
         CJS_GlobalData*                                 NewGlobalData(CPDFDoc_Environment* pApp);
         void                                                    ReleaseGlobalData();
 private:
         FX_BOOL m_bInit;
         int m_nRef;
         CJS_GlobalData*                                 m_pGlobalData;
         FX_INT32                                                m_nGlobalDataCount;
+        v8::Platform*                                           m_platform;
 };
 
 #endif //_IJAVASCRIPT_H_