Remove usage of deprecated APIs from d8

src/d8.h

Index: src/d8.h
diff --git a/src/d8.h b/src/d8.h
index 761276e4a8ad4c5dc28c39e715b239db6a687d38..39352000fd930b968eb565a6f9da42b7703a969b 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -377,7 +377,8 @@ class Shell : public i::AllStatic {
   static void MakeDirectory(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RemoveDirectory(const v8::FunctionCallbackInfo<v8::Value>& args);
 
-  static void AddOSMethods(Handle<ObjectTemplate> os_template);
+  static void AddOSMethods(v8::Isolate* isolate,
+                           Handle<ObjectTemplate> os_template);
 
   static const char* kPrompt;
   static ShellOptions options;