Merge V8 API updates to xfa branch

fpdfsdk/include/javascript/JS_Define.h

Index: fpdfsdk/include/javascript/JS_Define.h
diff --git a/fpdfsdk/include/javascript/JS_Define.h b/fpdfsdk/include/javascript/JS_Define.h
index e9475a03a29d7038345b0228b977548e564ddf99..8310ae25fb76654ef76d0a8c8e8cbc77caacd0b7 100644
--- a/fpdfsdk/include/javascript/JS_Define.h
+++ b/fpdfsdk/include/javascript/JS_Define.h
@@ -69,7 +69,7 @@ void JSPropGetter(const char* prop_name_string,
     JS_Error(isolate, JSFormatErrorString(class_name_string, prop_name_string, sError));
     return;
   }
-  info.GetReturnValue().Set((v8::Handle<v8::Value>)value);
+  info.GetReturnValue().Set((v8::Local<v8::Value>)value);
 }
 
 template <class C, FX_BOOL (C::*M)(IFXJS_Context*, CJS_PropValue&, CFX_WideString&)>
@@ -255,7 +255,7 @@ void JSSpecialPropGet(const char* class_name,
       JS_Error(isolate, JSFormatErrorString(class_name, "GetProperty", sError));
       return;
   }
-  info.GetReturnValue().Set((v8::Handle<v8::Value>)value);
+  info.GetReturnValue().Set((v8::Local<v8::Value>)value);
 }
 
 template <class Alt>
@@ -445,6 +445,6 @@ if (JS_DefineGlobalConst(pRuntime, (const wchar_t*)ArrayName, prop.ToV8Value())
 #define VALUE_NAME_NULL			L"null"
 #define VALUE_NAME_UNDEFINED	L"undefined"
 
-FXJSVALUETYPE GET_VALUE_TYPE(v8::Handle<v8::Value> p);
+FXJSVALUETYPE GET_VALUE_TYPE(v8::Local<v8::Value> p);
 
 #endif //_JS_DEFINE_H_