diff --git a/fpdfsdk/include/javascript/JS_Define.h b/fpdfsdk/include/javascript/JS_Define.h
index 7cade58..1addca5 100644
--- a/fpdfsdk/include/javascript/JS_Define.h
+++ b/fpdfsdk/include/javascript/JS_Define.h
@@ -83,12 +83,12 @@
   IFXJS_Context* pRuntimeContext = pRuntime->GetCurrentContext();
   CJS_PropValue value(isolate);
   value.StartGetting();
-  CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate, info.Holder());
+  CJS_Object* pJSObj = (CJS_Object*)FXJS_GetPrivate(isolate, info.Holder());
   C* pObj = reinterpret_cast<C*>(pJSObj->GetEmbedObject());
   CFX_WideString sError;
   if (!(pObj->*M)(pRuntimeContext, value, sError)) {
-    JS_Error(isolate,
-             JSFormatErrorString(class_name_string, prop_name_string, sError));
+    FXJS_Error(isolate, JSFormatErrorString(class_name_string, prop_name_string,
+                                            sError));
     return;
   }
   info.GetReturnValue().Set((v8::Local<v8::Value>)value);
@@ -104,14 +104,14 @@
   v8::Isolate* isolate = info.GetIsolate();
   IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)isolate->GetData(2);
   IFXJS_Context* pRuntimeContext = pRuntime->GetCurrentContext();
-  CJS_PropValue propValue(CJS_Value(isolate, value, VT_unknown));
+  CJS_PropValue propValue(CJS_Value(isolate, value, CJS_Value::VT_unknown));
   propValue.StartSetting();
-  CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate, info.Holder());
+  CJS_Object* pJSObj = (CJS_Object*)FXJS_GetPrivate(isolate, info.Holder());
   C* pObj = reinterpret_cast<C*>(pJSObj->GetEmbedObject());
   CFX_WideString sError;
   if (!(pObj->*M)(pRuntimeContext, propValue, sError)) {
-    JS_Error(isolate,
-             JSFormatErrorString(class_name_string, prop_name_string, sError));
+    FXJS_Error(isolate, JSFormatErrorString(class_name_string, prop_name_string,
+                                            sError));
   }
 }
 
@@ -145,15 +145,15 @@
   IFXJS_Context* pRuntimeContext = pRuntime->GetCurrentContext();
   CJS_Parameters parameters;
   for (unsigned int i = 0; i < (unsigned int)info.Length(); i++) {
-    parameters.push_back(CJS_Value(isolate, info[i], VT_unknown));
+    parameters.push_back(CJS_Value(isolate, info[i], CJS_Value::VT_unknown));
   }
   CJS_Value valueRes(isolate);
-  CJS_Object* pJSObj = (CJS_Object*)JS_GetPrivate(isolate, info.Holder());
+  CJS_Object* pJSObj = (CJS_Object*)FXJS_GetPrivate(isolate, info.Holder());
   C* pObj = reinterpret_cast<C*>(pJSObj->GetEmbedObject());
   CFX_WideString sError;
   if (!(pObj->*M)(pRuntimeContext, parameters, valueRes, sError)) {
-    JS_Error(isolate, JSFormatErrorString(class_name_string, method_name_string,
-                                          sError));
+    FXJS_Error(isolate, JSFormatErrorString(class_name_string,
+                                            method_name_string, sError));
     return;
   }
   info.GetReturnValue().Set(valueRes.ToV8Value());
@@ -186,36 +186,36 @@
   static JSMethodSpec JS_Class_Methods[];                                   \
   static const wchar_t* m_pClassName
 
-#define IMPLEMENT_JS_CLASS_RICH(js_class_name, class_alternate, class_name)    \
-  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name);      \
-  void js_class_name::JSConstructor(IFXJS_Context* cc,                         \
-                                    v8::Local<v8::Object> obj,                 \
-                                    v8::Local<v8::Object> global) {            \
-    CJS_Object* pObj = new js_class_name(obj);                                 \
-    pObj->SetEmbedObject(new class_alternate(pObj));                           \
-    JS_SetPrivate(NULL, obj, (void*)pObj);                                     \
-    pObj->InitInstance(cc);                                                    \
-  }                                                                            \
-                                                                               \
-  void js_class_name::JSDestructor(v8::Local<v8::Object> obj) {                \
-    js_class_name* pObj = (js_class_name*)JS_GetPrivate(NULL, obj);            \
-    pObj->ExitInstance();                                                      \
-    delete pObj;                                                               \
-  }                                                                            \
-                                                                               \
-  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                   \
-                                      FXJSOBJTYPE eObjType) {                  \
-    int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,       \
-                                  eObjType, JSConstructor, JSDestructor);      \
-    for (int i = 0; i < FX_ArraySize(JS_Class_Properties) - 1; ++i) {          \
-      JS_DefineObjProperty(pIsolate, nObjDefnID, JS_Class_Properties[i].pName, \
-                           JS_Class_Properties[i].pPropGet,                    \
-                           JS_Class_Properties[i].pPropPut);                   \
-    }                                                                          \
-    for (int i = 0; i < FX_ArraySize(JS_Class_Methods) - 1; ++i) {             \
-      JS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName,      \
-                         JS_Class_Methods[i].pMethodCall);                     \
-    }                                                                          \
+#define IMPLEMENT_JS_CLASS_RICH(js_class_name, class_alternate, class_name)  \
+  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name);    \
+  void js_class_name::JSConstructor(IFXJS_Context* cc,                       \
+                                    v8::Local<v8::Object> obj,               \
+                                    v8::Local<v8::Object> global) {          \
+    CJS_Object* pObj = new js_class_name(obj);                               \
+    pObj->SetEmbedObject(new class_alternate(pObj));                         \
+    FXJS_SetPrivate(NULL, obj, (void*)pObj);                                 \
+    pObj->InitInstance(cc);                                                  \
+  }                                                                          \
+                                                                             \
+  void js_class_name::JSDestructor(v8::Local<v8::Object> obj) {              \
+    js_class_name* pObj = (js_class_name*)FXJS_GetPrivate(NULL, obj);        \
+    pObj->ExitInstance();                                                    \
+    delete pObj;                                                             \
+  }                                                                          \
+                                                                             \
+  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                 \
+                                      FXJSOBJTYPE eObjType) {                \
+    int nObjDefnID = FXJS_DefineObj(pIsolate, js_class_name::m_pClassName,   \
+                                    eObjType, JSConstructor, JSDestructor);  \
+    for (int i = 0; i < FX_ArraySize(JS_Class_Properties) - 1; ++i) {        \
+      FXJS_DefineObjProperty(                                                \
+          pIsolate, nObjDefnID, JS_Class_Properties[i].pName,                \
+          JS_Class_Properties[i].pPropGet, JS_Class_Properties[i].pPropPut); \
+    }                                                                        \
+    for (int i = 0; i < FX_ArraySize(JS_Class_Methods) - 1; ++i) {           \
+      FXJS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName,  \
+                           JS_Class_Methods[i].pMethodCall);                 \
+    }                                                                        \
   }
 
 #define IMPLEMENT_JS_CLASS(js_class_name, class_name) \
@@ -229,19 +229,19 @@
   static JSConstSpec JS_Class_Consts[];                                     \
   static const wchar_t* m_pClassName
 
-#define IMPLEMENT_JS_CLASS_CONST(js_class_name, class_name)               \
-  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name); \
-  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,              \
-                                      FXJSOBJTYPE eObjType) {             \
-    int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,  \
-                                  eObjType, NULL, NULL);                  \
-    for (int i = 0; i < FX_ArraySize(JS_Class_Consts) - 1; ++i) {         \
-      JS_DefineObjConst(                                                  \
-          pIsolate, nObjDefnID, JS_Class_Consts[i].pName,                 \
-          JS_Class_Consts[i].t == 0                                       \
-              ? JS_NewNumber(pIsolate, JS_Class_Consts[i].number)         \
-              : JS_NewString(pIsolate, JS_Class_Consts[i].string));       \
-    }                                                                     \
+#define IMPLEMENT_JS_CLASS_CONST(js_class_name, class_name)                \
+  const wchar_t* js_class_name::m_pClassName = JS_WIDESTRING(class_name);  \
+  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,               \
+                                      FXJSOBJTYPE eObjType) {              \
+    int nObjDefnID = FXJS_DefineObj(pIsolate, js_class_name::m_pClassName, \
+                                    eObjType, NULL, NULL);                 \
+    for (int i = 0; i < FX_ArraySize(JS_Class_Consts) - 1; ++i) {          \
+      FXJS_DefineObjConst(                                                 \
+          pIsolate, nObjDefnID, JS_Class_Consts[i].pName,                  \
+          JS_Class_Consts[i].t == 0                                        \
+              ? FXJS_NewNumber(pIsolate, JS_Class_Consts[i].number)        \
+              : FXJS_NewString(pIsolate, JS_Class_Consts[i].string));      \
+    }                                                                      \
   }
 
 /* ===================================== SPECIAL JS CLASS
@@ -256,7 +256,7 @@
   CFX_WideString propname =
       CFX_WideString::FromUTF8(*utf8_value, utf8_value.length());
   CJS_Object* pJSObj =
-      reinterpret_cast<CJS_Object*>(JS_GetPrivate(isolate, info.Holder()));
+      reinterpret_cast<CJS_Object*>(FXJS_GetPrivate(isolate, info.Holder()));
   Alt* pObj = reinterpret_cast<Alt*>(pJSObj->GetEmbedObject());
   FX_BOOL bRet = pObj->QueryProperty(propname.c_str());
   info.GetReturnValue().Set(bRet ? 4 : 0);
@@ -271,7 +271,7 @@
   IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)isolate->GetData(2);
   IFXJS_Context* pRuntimeContext = pRuntime->GetCurrentContext();
   CJS_Object* pJSObj =
-      reinterpret_cast<CJS_Object*>(JS_GetPrivate(isolate, info.Holder()));
+      reinterpret_cast<CJS_Object*>(FXJS_GetPrivate(isolate, info.Holder()));
   Alt* pObj = reinterpret_cast<Alt*>(pJSObj->GetEmbedObject());
   v8::String::Utf8Value utf8_value(property);
   CFX_WideString propname =
@@ -280,7 +280,7 @@
   CJS_PropValue value(isolate);
   value.StartGetting();
   if (!pObj->DoProperty(pRuntimeContext, propname.c_str(), value, sError)) {
-    JS_Error(isolate, JSFormatErrorString(class_name, "GetProperty", sError));
+    FXJS_Error(isolate, JSFormatErrorString(class_name, "GetProperty", sError));
     return;
   }
   info.GetReturnValue().Set((v8::Local<v8::Value>)value);
@@ -296,16 +296,16 @@
   IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)isolate->GetData(2);
   IFXJS_Context* pRuntimeContext = pRuntime->GetCurrentContext();
   CJS_Object* pJSObj =
-      reinterpret_cast<CJS_Object*>(JS_GetPrivate(isolate, info.Holder()));
+      reinterpret_cast<CJS_Object*>(FXJS_GetPrivate(isolate, info.Holder()));
   Alt* pObj = reinterpret_cast<Alt*>(pJSObj->GetEmbedObject());
   v8::String::Utf8Value utf8_value(property);
   CFX_WideString propname =
       CFX_WideString::FromUTF8(*utf8_value, utf8_value.length());
   CFX_WideString sError;
-  CJS_PropValue PropValue(CJS_Value(isolate, value, VT_unknown));
+  CJS_PropValue PropValue(CJS_Value(isolate, value, CJS_Value::VT_unknown));
   PropValue.StartSetting();
   if (!pObj->DoProperty(pRuntimeContext, propname.c_str(), PropValue, sError)) {
-    JS_Error(isolate, JSFormatErrorString(class_name, "PutProperty", sError));
+    FXJS_Error(isolate, JSFormatErrorString(class_name, "PutProperty", sError));
   }
 }
 
@@ -318,7 +318,7 @@
   IFXJS_Runtime* pRuntime = (IFXJS_Runtime*)isolate->GetData(2);
   IFXJS_Context* pRuntimeContext = pRuntime->GetCurrentContext();
   CJS_Object* pJSObj =
-      reinterpret_cast<CJS_Object*>(JS_GetPrivate(isolate, info.Holder()));
+      reinterpret_cast<CJS_Object*>(FXJS_GetPrivate(isolate, info.Holder()));
   Alt* pObj = reinterpret_cast<Alt*>(pJSObj->GetEmbedObject());
   v8::String::Utf8Value utf8_value(property);
   CFX_WideString propname =
@@ -327,7 +327,7 @@
   if (!pObj->DelProperty(pRuntimeContext, propname.c_str(), sError)) {
     CFX_ByteString cbName;
     cbName.Format("%s.%s", class_name, "DelProperty");
-    // Probably a missing call to JS_Error().
+    // Probably a missing call to JSFX_Error().
   }
 }
 
@@ -380,12 +380,12 @@
                                     v8::Local<v8::Object> global) {            \
     CJS_Object* pObj = new js_class_name(obj);                                 \
     pObj->SetEmbedObject(new class_alternate(pObj));                           \
-    JS_SetPrivate(NULL, obj, (void*)pObj);                                     \
+    FXJS_SetPrivate(NULL, obj, (void*)pObj);                                   \
     pObj->InitInstance(cc);                                                    \
   }                                                                            \
                                                                                \
   void js_class_name::JSDestructor(v8::Local<v8::Object> obj) {                \
-    js_class_name* pObj = (js_class_name*)JS_GetPrivate(NULL, obj);            \
+    js_class_name* pObj = (js_class_name*)FXJS_GetPrivate(NULL, obj);          \
     ASSERT(pObj != NULL);                                                      \
     pObj->ExitInstance();                                                      \
     delete pObj;                                                               \
@@ -393,19 +393,19 @@
                                                                                \
   void js_class_name::DefineJSObjects(v8::Isolate* pIsolate,                   \
                                       FXJSOBJTYPE eObjType) {                  \
-    int nObjDefnID = JS_DefineObj(pIsolate, js_class_name::m_pClassName,       \
-                                  eObjType, JSConstructor, JSDestructor);      \
+    int nObjDefnID = FXJS_DefineObj(pIsolate, js_class_name::m_pClassName,     \
+                                    eObjType, JSConstructor, JSDestructor);    \
     for (int i = 0; i < FX_ArraySize(JS_Class_Properties) - 1; ++i) {          \
-      JS_DefineObjProperty(pIsolate, nObjDefnID, JS_Class_Properties[i].pName, \
-                           JS_Class_Properties[i].pPropGet,                    \
-                           JS_Class_Properties[i].pPropPut);                   \
+      FXJS_DefineObjProperty(                                                  \
+          pIsolate, nObjDefnID, JS_Class_Properties[i].pName,                  \
+          JS_Class_Properties[i].pPropGet, JS_Class_Properties[i].pPropPut);   \
     }                                                                          \
                                                                                \
     for (int i = 0; i < FX_ArraySize(JS_Class_Methods) - 1; ++i) {             \
-      JS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName,      \
-                         JS_Class_Methods[i].pMethodCall);                     \
+      FXJS_DefineObjMethod(pIsolate, nObjDefnID, JS_Class_Methods[i].pName,    \
+                           JS_Class_Methods[i].pMethodCall);                   \
     }                                                                          \
-    JS_DefineObjAllProperties(                                                 \
+    FXJS_DefineObjAllProperties(                                               \
         pIsolate, nObjDefnID,                                                  \
         js_class_name::queryprop_##js_class_name##_static,                     \
         js_class_name::getprop_##js_class_name##_static,                       \
@@ -425,12 +425,12 @@
   IFXJS_Context* pRuntimeContext = pRuntime->GetCurrentContext();
   CJS_Parameters parameters;
   for (unsigned int i = 0; i < (unsigned int)info.Length(); i++) {
-    parameters.push_back(CJS_Value(isolate, info[i], VT_unknown));
+    parameters.push_back(CJS_Value(isolate, info[i], CJS_Value::VT_unknown));
   }
   CJS_Value valueRes(isolate);
   CFX_WideString sError;
   if (!(*F)(pRuntimeContext, parameters, valueRes, sError)) {
-    JS_Error(isolate, JSFormatErrorString(func_name_string, nullptr, sError));
+    FXJS_Error(isolate, JSFormatErrorString(func_name_string, nullptr, sError));
     return;
   }
   info.GetReturnValue().Set(valueRes.ToV8Value());
@@ -453,14 +453,15 @@
 
 #define END_JS_STATIC_GLOBAL_FUN() END_JS_STATIC_METHOD()
 
-#define IMPLEMENT_JS_STATIC_GLOBAL_FUN(js_class_name)                         \
-  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate) {                \
-    for (int i = 0; i < FX_ArraySize(global_methods) - 1; ++i) {              \
-      JS_DefineGlobalMethod(pIsolate, js_class_name::global_methods[i].pName, \
-                            js_class_name::global_methods[i].pMethodCall);    \
-    }                                                                         \
+#define IMPLEMENT_JS_STATIC_GLOBAL_FUN(js_class_name)                        \
+  void js_class_name::DefineJSObjects(v8::Isolate* pIsolate) {               \
+    for (int i = 0; i < FX_ArraySize(global_methods) - 1; ++i) {             \
+      FXJS_DefineGlobalMethod(pIsolate,                                      \
+                              js_class_name::global_methods[i].pName,        \
+                              js_class_name::global_methods[i].pMethodCall); \
+    }                                                                        \
   }
 
-FXJSVALUETYPE GET_VALUE_TYPE(v8::Local<v8::Value> p);
+CJS_Value::Type GET_VALUE_TYPE(v8::Local<v8::Value> p);
 
 #endif  // FPDFSDK_INCLUDE_JAVASCRIPT_JS_DEFINE_H_
diff --git a/fpdfsdk/include/javascript/JS_Runtime.h b/fpdfsdk/include/javascript/JS_Runtime.h
index f0285b2..b53e50e 100644
--- a/fpdfsdk/include/javascript/JS_Runtime.h
+++ b/fpdfsdk/include/javascript/JS_Runtime.h
@@ -64,7 +64,7 @@
   CJS_FieldEvent* m_pFieldEventPath;
   v8::Isolate* m_isolate;
   bool m_isolateManaged;
-  nonstd::unique_ptr<JS_ArrayBufferAllocator> m_pArrayBufferAllocator;
+  nonstd::unique_ptr<FXJS_ArrayBufferAllocator> m_pArrayBufferAllocator;
   v8::Global<v8::Context> m_context;
 };
 
diff --git a/fpdfsdk/include/javascript/JS_Value.h b/fpdfsdk/include/javascript/JS_Value.h
index 771214d..384e772 100644
--- a/fpdfsdk/include/javascript/JS_Value.h
+++ b/fpdfsdk/include/javascript/JS_Value.h
@@ -17,8 +17,20 @@
 
 class CJS_Value {
  public:
+  enum Type {
+    VT_unknown,
+    VT_string,
+    VT_number,
+    VT_boolean,
+    VT_date,
+    VT_object,
+    VT_fxobject,
+    VT_null,
+    VT_undefined
+  };
+
   CJS_Value(v8::Isolate* isolate);
-  CJS_Value(v8::Isolate* isolate, v8::Local<v8::Value> pValue, FXJSVALUETYPE t);
+  CJS_Value(v8::Isolate* isolate, v8::Local<v8::Value> pValue, Type t);
   CJS_Value(v8::Isolate* isolate, const int& iValue);
   CJS_Value(v8::Isolate* isolate, const double& dValue);
   CJS_Value(v8::Isolate* isolate, const float& fValue);
@@ -33,10 +45,11 @@
   ~CJS_Value();
 
   void SetNull();
-  void Attach(v8::Local<v8::Value> pValue, FXJSVALUETYPE t);
+  void Attach(v8::Local<v8::Value> pValue, Type t);
   void Attach(CJS_Value* pValue);
   void Detach();
 
+  Type GetType() const;
   int ToInt() const;
   bool ToBool() const;
   double ToDouble() const;
@@ -63,16 +76,14 @@
 
   FX_BOOL IsArrayObject() const;
   FX_BOOL IsDateObject() const;
-  FXJSVALUETYPE GetType() const;
-
   FX_BOOL ConvertToArray(CJS_Array&) const;
   FX_BOOL ConvertToDate(CJS_Date&) const;
 
   v8::Isolate* GetIsolate() { return m_isolate; }
 
  protected:
+  Type m_eType;
   v8::Local<v8::Value> m_pValue;
-  FXJSVALUETYPE m_eType;
   v8::Isolate* m_isolate;
 };
 
@@ -190,4 +201,18 @@
   v8::Isolate* m_isolate;
 };
 
+double JS_GetDateTime();
+int JS_GetYearFromTime(double dt);
+int JS_GetMonthFromTime(double dt);
+int JS_GetDayFromTime(double dt);
+int JS_GetHourFromTime(double dt);
+int JS_GetMinFromTime(double dt);
+int JS_GetSecFromTime(double dt);
+double JS_DateParse(const wchar_t* string);
+double JS_MakeDay(int nYear, int nMonth, int nDay);
+double JS_MakeTime(int nHour, int nMin, int nSec, int nMs);
+double JS_MakeDate(double day, double time);
+bool JS_PortIsNan(double d);
+double JS_LocalTime(double d);
+
 #endif  // FPDFSDK_INCLUDE_JAVASCRIPT_JS_VALUE_H_
diff --git a/fpdfsdk/include/jsapi/fxjs_v8.h b/fpdfsdk/include/jsapi/fxjs_v8.h
index 6e4fc6f..3499bfb 100644
--- a/fpdfsdk/include/jsapi/fxjs_v8.h
+++ b/fpdfsdk/include/jsapi/fxjs_v8.h
@@ -14,20 +14,8 @@
 #include "../../../core/include/fxcrt/fx_string.h"  // For CFX_WideString
 
 enum FXJSOBJTYPE {
-  JS_DYNAMIC = 0,
-  JS_STATIC = 1,
-};
-
-enum FXJSVALUETYPE {
-  VT_unknown,
-  VT_string,
-  VT_number,
-  VT_boolean,
-  VT_date,
-  VT_object,
-  VT_fxobject,
-  VT_null,
-  VT_undefined
+  FXJS_DYNAMIC = 0,
+  FXJS_STATIC = 1,
 };
 
 struct FXJSErr {
@@ -46,20 +34,28 @@
 extern const wchar_t kFXJSValueNameUndefined[];
 
 // FXJS_V8 places no interpretation on these two classes; it merely
-// passes them on to the caller-provided LP_CONSTRUCTORs.
+// passes them on to the caller-provided FXJS_CONSTRUCTORs.
 class IFXJS_Context;
 class IFXJS_Runtime;
 
-class JS_ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
+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;
 };
 
-typedef void (*LP_CONSTRUCTOR)(IFXJS_Context* cc,
-                               v8::Local<v8::Object> obj,
-                               v8::Local<v8::Object> global);
-typedef void (*LP_DESTRUCTOR)(v8::Local<v8::Object> obj);
+using FXJS_CONSTRUCTOR = void (*)(IFXJS_Context* cc,
+                                  v8::Local<v8::Object> obj,
+                                  v8::Local<v8::Object> global);
+using FXJS_DESTRUCTOR = void (*)(v8::Local<v8::Object> obj);
+
+// Call before making FXJS_PrepareIsolate call.
+void FXJS_Initialize(unsigned int embedderDataSlot);
+void FXJS_Release();
+
+// Call before making FXJS_Define* calls. Resources allocated here are cleared
+// as part of FXJS_ReleaseRuntime().
+void FXJS_PrepareIsolate(v8::Isolate* pIsolate);
 
 // Call before making JS_PrepareIsolate call.
 void JS_Initialize(unsigned int embedderDataSlot);
@@ -70,156 +66,142 @@
 void JS_PrepareIsolate(v8::Isolate* pIsolate);
 
 // Always returns a valid, newly-created objDefnID.
-int JS_DefineObj(v8::Isolate* pIsolate,
-                 const wchar_t* sObjName,
-                 FXJSOBJTYPE eObjType,
-                 LP_CONSTRUCTOR pConstructor,
-                 LP_DESTRUCTOR pDestructor);
+int FXJS_DefineObj(v8::Isolate* pIsolate,
+                   const wchar_t* sObjName,
+                   FXJSOBJTYPE eObjType,
+                   FXJS_CONSTRUCTOR pConstructor,
+                   FXJS_DESTRUCTOR pDestructor);
 
-void JS_DefineObjMethod(v8::Isolate* pIsolate,
-                        int nObjDefnID,
-                        const wchar_t* sMethodName,
-                        v8::FunctionCallback pMethodCall);
-void JS_DefineObjProperty(v8::Isolate* pIsolate,
+void FXJS_DefineObjMethod(v8::Isolate* pIsolate,
                           int nObjDefnID,
-                          const wchar_t* sPropName,
-                          v8::AccessorGetterCallback pPropGet,
-                          v8::AccessorSetterCallback pPropPut);
-void JS_DefineObjAllProperties(v8::Isolate* pIsolate,
-                               int nObjDefnID,
-                               v8::NamedPropertyQueryCallback pPropQurey,
-                               v8::NamedPropertyGetterCallback pPropGet,
-                               v8::NamedPropertySetterCallback pPropPut,
-                               v8::NamedPropertyDeleterCallback pPropDel);
-void JS_DefineObjConst(v8::Isolate* pIsolate,
-                       int nObjDefnID,
-                       const wchar_t* sConstName,
-                       v8::Local<v8::Value> pDefault);
-void JS_DefineGlobalMethod(v8::Isolate* pIsolate,
-                           const wchar_t* sMethodName,
-                           v8::FunctionCallback pMethodCall);
-void JS_DefineGlobalConst(v8::Isolate* pIsolate,
-                          const wchar_t* sConstName,
-                          v8::Local<v8::Value> pDefault);
+                          const wchar_t* sMethodName,
+                          v8::FunctionCallback pMethodCall);
+void FXJS_DefineObjProperty(v8::Isolate* pIsolate,
+                            int nObjDefnID,
+                            const wchar_t* sPropName,
+                            v8::AccessorGetterCallback pPropGet,
+                            v8::AccessorSetterCallback pPropPut);
+void FXJS_DefineObjAllProperties(v8::Isolate* pIsolate,
+                                 int nObjDefnID,
+                                 v8::NamedPropertyQueryCallback pPropQurey,
+                                 v8::NamedPropertyGetterCallback pPropGet,
+                                 v8::NamedPropertySetterCallback pPropPut,
+                                 v8::NamedPropertyDeleterCallback pPropDel);
+void FXJS_DefineObjConst(v8::Isolate* pIsolate,
+                         int nObjDefnID,
+                         const wchar_t* sConstName,
+                         v8::Local<v8::Value> pDefault);
+void FXJS_DefineGlobalMethod(v8::Isolate* pIsolate,
+                             const wchar_t* sMethodName,
+                             v8::FunctionCallback pMethodCall);
+void FXJS_DefineGlobalConst(v8::Isolate* pIsolate,
+                            const wchar_t* sConstName,
+                            v8::Local<v8::Value> pDefault);
 
-// Called after JS_Define* calls made.
-void JS_InitializeRuntime(v8::Isolate* pIsolate,
-                          IFXJS_Runtime* pFXRuntime,
-                          IFXJS_Context* context,
-                          v8::Global<v8::Context>& v8PersistentContext);
-void JS_ReleaseRuntime(v8::Isolate* pIsolate,
-                       v8::Global<v8::Context>& v8PersistentContext);
+// Called after FXJS_Define* calls made.
+void FXJS_InitializeRuntime(v8::Isolate* pIsolate,
+                            IFXJS_Runtime* pFXRuntime,
+                            IFXJS_Context* context,
+                            v8::Global<v8::Context>& v8PersistentContext);
+void FXJS_ReleaseRuntime(v8::Isolate* pIsolate,
+                         v8::Global<v8::Context>& v8PersistentContext);
 
-// Called after JS_InitializeRuntime call made.
-int JS_Execute(v8::Isolate* pIsolate,
-               IFXJS_Context* pJSContext,
-               const wchar_t* script,
-               long length,
-               FXJSErr* perror);
+// Called after FXJS_InitializeRuntime call made.
+int FXJS_Execute(v8::Isolate* pIsolate,
+                 IFXJS_Context* pJSContext,
+                 const wchar_t* script,
+                 long length,
+                 FXJSErr* perror);
 
-v8::Local<v8::Object> JS_NewFxDynamicObj(v8::Isolate* pIsolate,
-                                         IFXJS_Context* pJSContext,
-                                         int nObjDefnID);
-v8::Local<v8::Object> JS_GetStaticObj(v8::Isolate* pIsolate, int nObjDefnID);
-v8::Local<v8::Object> JS_GetThisObj(v8::Isolate* pIsolate);
-int JS_GetObjDefnID(v8::Local<v8::Object> pObj);
-v8::Isolate* JS_GetRuntime(v8::Local<v8::Object> pObj);
-int JS_GetObjDefnID(v8::Isolate* pIsolate, const wchar_t* pObjName);
-void JS_Error(v8::Isolate* isolate, const CFX_WideString& message);
-unsigned JS_CalcHash(const wchar_t* main, unsigned nLen);
-unsigned JS_CalcHash(const wchar_t* main);
-const wchar_t* JS_GetTypeof(v8::Local<v8::Value> pObj);
-void JS_SetPrivate(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj, void* p);
-void* JS_GetPrivate(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj);
-void JS_SetPrivate(v8::Local<v8::Object> pObj, void* p);
-void* JS_GetPrivate(v8::Local<v8::Object> pObj);
-void JS_FreePrivate(void* p);
-void JS_FreePrivate(v8::Local<v8::Object> pObj);
-v8::Local<v8::Value> JS_GetObjectValue(v8::Local<v8::Object> pObj);
-v8::Local<v8::Value> JS_GetObjectElement(v8::Isolate* pIsolate,
-                                         v8::Local<v8::Object> pObj,
-                                         const wchar_t* PropertyName);
-v8::Local<v8::Array> JS_GetObjectElementNames(v8::Isolate* pIsolate,
-                                              v8::Local<v8::Object> pObj);
-void JS_PutObjectString(v8::Isolate* pIsolate,
-                        v8::Local<v8::Object> pObj,
-                        const wchar_t* PropertyName,
-                        const wchar_t* sValue);
-void JS_PutObjectNumber(v8::Isolate* pIsolate,
-                        v8::Local<v8::Object> pObj,
-                        const wchar_t* PropertyName,
-                        int nValue);
-void JS_PutObjectNumber(v8::Isolate* pIsolate,
-                        v8::Local<v8::Object> pObj,
-                        const wchar_t* PropertyName,
-                        float fValue);
-void JS_PutObjectNumber(v8::Isolate* pIsolate,
-                        v8::Local<v8::Object> pObj,
-                        const wchar_t* PropertyName,
-                        double dValue);
-void JS_PutObjectBoolean(v8::Isolate* pIsolate,
-                         v8::Local<v8::Object> pObj,
-                         const wchar_t* PropertyName,
-                         bool bValue);
-void JS_PutObjectObject(v8::Isolate* pIsolate,
-                        v8::Local<v8::Object> pObj,
-                        const wchar_t* PropertyName,
-                        v8::Local<v8::Object> pPut);
-void JS_PutObjectNull(v8::Isolate* pIsolate,
-                      v8::Local<v8::Object> pObj,
-                      const wchar_t* PropertyName);
-unsigned JS_PutArrayElement(v8::Isolate* pIsolate,
-                            v8::Local<v8::Array> pArray,
-                            unsigned index,
-                            v8::Local<v8::Value> pValue,
-                            FXJSVALUETYPE eType);
-v8::Local<v8::Value> JS_GetArrayElement(v8::Isolate* pIsolate,
-                                        v8::Local<v8::Array> pArray,
-                                        unsigned index);
-unsigned JS_GetArrayLength(v8::Local<v8::Array> pArray);
-v8::Local<v8::Value> JS_GetListValue(v8::Isolate* pIsolate,
-                                     v8::Local<v8::Value> pList,
-                                     int index);
+v8::Local<v8::Object> FXJS_NewFxDynamicObj(v8::Isolate* pIsolate,
+                                           IFXJS_Context* pJSContext,
+                                           int nObjDefnID);
+v8::Local<v8::Object> FXJS_GetThisObj(v8::Isolate* pIsolate);
+int FXJS_GetObjDefnID(v8::Local<v8::Object> pObj);
+int FXJS_GetObjDefnID(v8::Isolate* pIsolate, const wchar_t* pObjName);
+v8::Isolate* FXJS_GetRuntime(v8::Local<v8::Object> pObj);
+const wchar_t* FXJS_GetTypeof(v8::Local<v8::Value> pObj);
 
-v8::Local<v8::Array> JS_NewArray(v8::Isolate* pIsolate);
-v8::Local<v8::Value> JS_NewNumber(v8::Isolate* pIsolate, int number);
-v8::Local<v8::Value> JS_NewNumber(v8::Isolate* pIsolate, double number);
-v8::Local<v8::Value> JS_NewNumber(v8::Isolate* pIsolate, float number);
-v8::Local<v8::Value> JS_NewBoolean(v8::Isolate* pIsolate, bool b);
-v8::Local<v8::Value> JS_NewObject(v8::Isolate* pIsolate,
-                                  v8::Local<v8::Object> pObj);
-v8::Local<v8::Value> JS_NewObject2(v8::Isolate* pIsolate,
-                                   v8::Local<v8::Array> pObj);
-v8::Local<v8::Value> JS_NewString(v8::Isolate* pIsolate, const wchar_t* string);
-v8::Local<v8::Value> JS_NewString(v8::Isolate* pIsolate,
-                                  const wchar_t* string,
-                                  unsigned nLen);
-v8::Local<v8::Value> JS_NewNull();
-v8::Local<v8::Value> JS_NewDate(v8::Isolate* pIsolate, double d);
-v8::Local<v8::Value> JS_NewValue(v8::Isolate* pIsolate);
+void FXJS_SetPrivate(v8::Isolate* pIsolate,
+                     v8::Local<v8::Object> pObj,
+                     void* p);
+void FXJS_SetPrivate(v8::Local<v8::Object> pObj, void* p);
+void* FXJS_GetPrivate(v8::Isolate* pIsolate, v8::Local<v8::Object> pObj);
+void* FXJS_GetPrivate(v8::Local<v8::Object> pObj);
+void FXJS_FreePrivate(void* p);
+void FXJS_FreePrivate(v8::Local<v8::Object> pObj);
 
-int JS_ToInt32(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue);
-bool JS_ToBoolean(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue);
-double JS_ToNumber(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue);
-v8::Local<v8::Object> JS_ToObject(v8::Isolate* pIsolate,
+void FXJS_Error(v8::Isolate* isolate, const CFX_WideString& message);
+v8::Local<v8::String> FXJS_WSToJSString(v8::Isolate* pIsolate,
+                                        const wchar_t* PropertyName,
+                                        int Len = -1);
+
+v8::Local<v8::Value> FXJS_GetObjectElement(v8::Isolate* pIsolate,
+                                           v8::Local<v8::Object> pObj,
+                                           const wchar_t* PropertyName);
+v8::Local<v8::Array> FXJS_GetObjectElementNames(v8::Isolate* pIsolate,
+                                                v8::Local<v8::Object> pObj);
+
+v8::Local<v8::Value> FXJS_GetArrayElement(v8::Isolate* pIsolate,
+                                          v8::Local<v8::Array> pArray,
+                                          unsigned index);
+unsigned FXJS_GetArrayLength(v8::Local<v8::Array> pArray);
+
+void FXJS_PutObjectString(v8::Isolate* pIsolate,
+                          v8::Local<v8::Object> pObj,
+                          const wchar_t* PropertyName,
+                          const wchar_t* sValue);
+void FXJS_PutObjectNumber(v8::Isolate* pIsolate,
+                          v8::Local<v8::Object> pObj,
+                          const wchar_t* PropertyName,
+                          int nValue);
+void FXJS_PutObjectNumber(v8::Isolate* pIsolate,
+                          v8::Local<v8::Object> pObj,
+                          const wchar_t* PropertyName,
+                          float fValue);
+void FXJS_PutObjectNumber(v8::Isolate* pIsolate,
+                          v8::Local<v8::Object> pObj,
+                          const wchar_t* PropertyName,
+                          double dValue);
+void FXJS_PutObjectBoolean(v8::Isolate* pIsolate,
+                           v8::Local<v8::Object> pObj,
+                           const wchar_t* PropertyName,
+                           bool bValue);
+void FXJS_PutObjectObject(v8::Isolate* pIsolate,
+                          v8::Local<v8::Object> pObj,
+                          const wchar_t* PropertyName,
+                          v8::Local<v8::Object> pPut);
+void FXJS_PutObjectNull(v8::Isolate* pIsolate,
+                        v8::Local<v8::Object> pObj,
+                        const wchar_t* PropertyName);
+unsigned FXJS_PutArrayElement(v8::Isolate* pIsolate,
+                              v8::Local<v8::Array> pArray,
+                              unsigned index,
+                              v8::Local<v8::Value> pValue);
+
+v8::Local<v8::Array> FXJS_NewArray(v8::Isolate* pIsolate);
+v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, int number);
+v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, double number);
+v8::Local<v8::Value> FXJS_NewNumber(v8::Isolate* pIsolate, float number);
+v8::Local<v8::Value> FXJS_NewBoolean(v8::Isolate* pIsolate, bool b);
+v8::Local<v8::Value> FXJS_NewObject(v8::Isolate* pIsolate,
+                                    v8::Local<v8::Object> pObj);
+v8::Local<v8::Value> FXJS_NewObject2(v8::Isolate* pIsolate,
+                                     v8::Local<v8::Array> pObj);
+v8::Local<v8::Value> FXJS_NewString(v8::Isolate* pIsolate,
+                                    const wchar_t* string);
+v8::Local<v8::Value> FXJS_NewNull();
+v8::Local<v8::Value> FXJS_NewDate(v8::Isolate* pIsolate, double d);
+
+int FXJS_ToInt32(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue);
+bool FXJS_ToBoolean(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue);
+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);
-CFX_WideString JS_ToString(v8::Isolate* pIsolate, v8::Local<v8::Value> pValue);
-v8::Local<v8::Array> JS_ToArray(v8::Isolate* pIsolate,
-                                v8::Local<v8::Value> pValue);
-void JS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom);
-
-double JS_GetDateTime();
-int JS_GetYearFromTime(double dt);
-int JS_GetMonthFromTime(double dt);
-int JS_GetDayFromTime(double dt);
-int JS_GetHourFromTime(double dt);
-int JS_GetMinFromTime(double dt);
-int JS_GetSecFromTime(double dt);
-double JS_DateParse(const wchar_t* string);
-double JS_MakeDay(int nYear, int nMonth, int nDay);
-double JS_MakeTime(int nHour, int nMin, int nSec, int nMs);
-double JS_MakeDate(double day, double time);
-bool JS_PortIsNan(double d);
-double JS_LocalTime(double d);
+void FXJS_ValueCopy(v8::Local<v8::Value>& pTo, v8::Local<v8::Value> pFrom);
 
 #endif  // FPDFSDK_INCLUDE_JSAPI_FXJS_V8_H_