Remove type info from CJS_Value, interrogate v8 instead

fxjs/include/fxjs_v8.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
 
 // FXJS_V8 is a layer that makes it easier to define native objects in V8, but
 // has no knowledge of PDF-specific native objects. It could in theory be used
 // to implement other sets of native objects.
 
@@ skipping 100 matching lines @@
   std::vector<CFXJS_ObjDefinition*> m_ObjectDefnArray;
 #ifdef PDF_ENABLE_XFA
   CFXJSE_RuntimeData* m_pFXJSERuntimeData;
 #endif  // PDF_ENABLE_XFA
   V8TemplateMap* m_pDynamicObjsMap;
 
  protected:
   FXJS_PerIsolateData();
 };
 
-extern const wchar_t kFXJSValueNameString[];
-extern const wchar_t kFXJSValueNameNumber[];
-extern const wchar_t kFXJSValueNameBoolean[];
-extern const wchar_t kFXJSValueNameDate[];
-extern const wchar_t kFXJSValueNameObject[];
-extern const wchar_t kFXJSValueNameFxobj[];
-extern const wchar_t kFXJSValueNameNull[];
-extern const wchar_t kFXJSValueNameUndefined[];
-
 class FXJS_ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
   void* Allocate(size_t length) override;
   void* AllocateUninitialized(size_t length) override;
   void Free(void* data, size_t length) override;
 };
 
 using FXJS_CONSTRUCTOR = void (*)(IJS_Runtime* cc, v8::Local<v8::Object> obj);
 using FXJS_DESTRUCTOR = void (*)(v8::Local<v8::Object> obj);
 
 void FXJS_Initialize(unsigned int embedderDataSlot, v8::Isolate* pIsolate);
@@ skipping 62 matching lines @@
 int FXJS_Execute(v8::Isolate* pIsolate,
                  const CFX_WideString& script,
                  FXJSErr* perror);
 
 v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate,
                                            IJS_Runtime* pJSContext,
                                            int nObjDefnID,
                                            bool bStatic = false);
 v8::Local<v8::Object> FXJS_GetThisObj(v8::Isolate* pIsolate);
 int FXJS_GetObjDefnID(v8::Local<v8::Object> pObj);
-const wchar_t* FXJS_GetTypeof(v8::Local<v8::Value> pObj);
 
 void FXJS_SetPrivate(v8::Isolate* pIsolate,
                      v8::Local<v8::Object> pObj,
                      void* p);
 void* FXJS_GetPrivate(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj);
 void FXJS_FreePrivate(void* p);
 void FXJS_FreePrivate(v8::Local<v8::Object> pObj);
 void FXJS_Error(v8::Isolate* isolate, const CFX_WideString& message);
 
 v8::Local<v8::String> FXJS_WSToJSString(v8::Isolate* pIsolate,
@@ skipping 54 matching lines @@
 double FXJS_ToNumber(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue);
 v8::Local<v8::Object> FXJS_ToObject(v8::Isolate* pIsolate,
                                     v8::Local<v8::Value> pValue);
 CFX_WideString FXJS_ToString(v8::Isolate* pIsolate,
                              v8::Local<v8::Value> pValue);
 v8::Local<v8::Array> FXJS_ToArray(v8::Isolate* pIsolate,
                                   v8::Local<v8::Value> pValue);
 void FXJS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom);
 
 #endif  // FXJS_INCLUDE_FXJS_V8_H_