Replace FXJSE_HCONTEXT with CFXJSE_Context*

xfa/fxjse/context.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_FXJSE_CONTEXT_H_
 #define XFA_FXJSE_CONTEXT_H_
 
 #include <memory>
 #include <vector>
 
 #include "core/fxcrt/include/fx_basic.h"
 #include "v8/include/v8.h"
 #include "xfa/fxjse/include/fxjse.h"
 
 class CFXJSE_Class;
 class CFXJSE_Value;
+struct FXJSE_CLASS;
 
 class CFXJSE_Context {
  public:
   static CFXJSE_Context* Create(v8::Isolate* pIsolate,
                                 const FXJSE_CLASS* lpGlobalClass = nullptr,
                                 void* lpGlobalObject = nullptr);
   ~CFXJSE_Context();
 
   V8_INLINE v8::Isolate* GetRuntime(void) { return m_pIsolate; }
   void GetGlobalObject(CFXJSE_Value* pValue);
@@ skipping 13 matching lines @@
 
   friend class CFXJSE_Class;
   friend class CFXJSE_ScopeUtil_IsolateHandleContext;
   friend class CFXJSE_ScopeUtil_IsolateHandleRootOrNormalContext;
 };
 
 v8::Local<v8::Object> FXJSE_CreateReturnValue(v8::Isolate* pIsolate,
                                               v8::TryCatch& trycatch);
 
 #endif  // XFA_FXJSE_CONTEXT_H_