Store object definition ID in each js_class.

fpdfsdk/include/javascript/Document.h

Index: fpdfsdk/include/javascript/Document.h
diff --git a/fpdfsdk/include/javascript/Document.h b/fpdfsdk/include/javascript/Document.h
index 93400001188b9742d76d981ad2975fc1d8540e69..04da45d7949c21b8af42d8056e09e904fa6f77bc 100644
--- a/fpdfsdk/include/javascript/Document.h
+++ b/fpdfsdk/include/javascript/Document.h
@@ -30,7 +30,7 @@ class CJS_PrintParamsObj : public CJS_Object {
   CJS_PrintParamsObj(v8::Local<v8::Object> pObject) : CJS_Object(pObject) {}
   ~CJS_PrintParamsObj() override {}
 
-  DECLARE_JS_CLASS(CJS_PrintParamsObj);
+  DECLARE_JS_CLASS();
 };
 
 class Icon;
@@ -327,7 +327,7 @@ class CJS_Document : public CJS_Object {
   // CJS_Object
   FX_BOOL InitInstance(IFXJS_Context* cc) override;
 
-  DECLARE_JS_CLASS(CJS_Document);
+  DECLARE_JS_CLASS();
 
   JS_STATIC_PROP(ADBE, Document);
   JS_STATIC_PROP(author, Document);