Merge to XFA: Remove unused global argument from FXJS_CONSTRUCTOR.

(cherry picked from commit ebd39a6a8fcbbbf1c5a2e6f1b2e30f452971d0ee)
Original Review URL: https://codereview.chromium.org/1389003003 .

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1394023002 .
diff --git a/fpdfsdk/src/javascript/JS_Define.h b/fpdfsdk/src/javascript/JS_Define.h
index cb0986d..eaad470 100644
--- a/fpdfsdk/src/javascript/JS_Define.h
+++ b/fpdfsdk/src/javascript/JS_Define.h
@@ -242,20 +242,18 @@
     DefineMethods(pIsolate);                                                \
   }
 
-#define DECLARE_JS_CLASS_RICH_PART()                                      \
-  static void JSConstructor(IFXJS_Context* cc, v8::Local<v8::Object> obj, \
-                            v8::Local<v8::Object> global);                \
-  static void JSDestructor(v8::Local<v8::Object> obj);                    \
-  static void DefineProps(v8::Isolate* pIsoalte);                         \
-  static void DefineMethods(v8::Isolate* pIsoalte);                       \
-  static JSPropertySpec JS_Class_Properties[];                            \
+#define DECLARE_JS_CLASS_RICH_PART()                                       \
+  static void JSConstructor(IFXJS_Context* cc, v8::Local<v8::Object> obj); \
+  static void JSDestructor(v8::Local<v8::Object> obj);                     \
+  static void DefineProps(v8::Isolate* pIsoalte);                          \
+  static void DefineMethods(v8::Isolate* pIsoalte);                        \
+  static JSPropertySpec JS_Class_Properties[];                             \
   static JSMethodSpec JS_Class_Methods[];
 
 #define IMPLEMENT_JS_CLASS_RICH_PART(js_class_name, class_alternate,          \
                                      class_name)                              \
   void js_class_name::JSConstructor(IFXJS_Context* cc,                        \
-                                    v8::Local<v8::Object> obj,                \
-                                    v8::Local<v8::Object> global) {           \
+                                    v8::Local<v8::Object> obj) {              \
     CJS_Object* pObj = new js_class_name(obj);                                \
     pObj->SetEmbedObject(new class_alternate(pObj));                          \
     FXJS_SetPrivate(nullptr, obj, (void*)pObj);                               \