Remove type info from CJS_Value, interrogate v8 instead

fpdfsdk/javascript/JS_Value.h

Index: fpdfsdk/javascript/JS_Value.h
diff --git a/fpdfsdk/javascript/JS_Value.h b/fpdfsdk/javascript/JS_Value.h
index e8544504d20e28393fbe80eff74b4490a8b24f76..c48c789cdb4c723396ed10589fe32d5534a71264 100644
--- a/fpdfsdk/javascript/JS_Value.h
+++ b/fpdfsdk/javascript/JS_Value.h
@@ -27,13 +27,12 @@ class CJS_Value {
     VT_boolean,
     VT_date,
     VT_object,
-    VT_fxobject,
     VT_null,
     VT_undefined
   };
 
   CJS_Value(CJS_Runtime* pRuntime);
-  CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue, Type t);
+  CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue);
   CJS_Value(CJS_Runtime* pRuntime, const int& iValue);
   CJS_Value(CJS_Runtime* pRuntime, const double& dValue);
   CJS_Value(CJS_Runtime* pRuntime, const float& fValue);
@@ -49,11 +48,12 @@ class CJS_Value {
   CJS_Value(const CJS_Value& other);
 
   void SetNull();
-  void Attach(v8::Local<v8::Value> pValue, Type t);
+  void Attach(v8::Local<v8::Value> pValue);
   void Attach(CJS_Value* pValue);
   void Detach();
 
-  Type GetType() const;
+  static Type GetValueType(v8::Local<v8::Value> value);
+  Type GetType() const { return GetValueType(m_pValue); }
   int ToInt() const;
   bool ToBool() const;
   double ToDouble() const;
@@ -66,8 +66,7 @@ class CJS_Value {
   v8::Local<v8::Value> ToV8Value() const;
 
   // Replace the current |m_pValue| with a v8::Number if possible
-  // to make one from the current |m_pValue|, updating |m_eType|
-  // as appropriate to indicate the result.
+  // to make one from the current |m_pValue|.
   void MaybeCoerceToNumber();
 
   void operator=(int iValue);
@@ -91,7 +90,6 @@ class CJS_Value {
   CJS_Runtime* GetJSRuntime() const { return m_pJSRuntime; }
 
  protected:
-  Type m_eType;
   v8::Local<v8::Value> m_pValue;
   CJS_Runtime* m_pJSRuntime;
 };