Fix menu & shortcut support

Author: rogerwang

src/api/dispatcher_bindings.cc

@@ -164,6 +164,11 @@ DispatcherBindings::GetNativeFunctionTemplate(
     return v8::FunctionTemplate::New(isolate, GetNSStringWithFixup);
   else if (name->Equals(v8::String::NewFromUtf8(isolate, "GetNSStringFWithFixup")))
     return v8::FunctionTemplate::New(isolate, GetNSStringFWithFixup);
+#else
+  else if (name->Equals(v8::String::NewFromUtf8(isolate, "GetNSStringWithFixup")))
+    return v8::FunctionTemplate::New(isolate);
+  else if (name->Equals(v8::String::NewFromUtf8(isolate, "GetNSStringFWithFixup")))
+    return v8::FunctionTemplate::New(isolate);
 #endif
   NOTREACHED() << "Trying to get an non-exist function in DispatcherBindings:"
                << *v8::String::Utf8Value(name);

src/api/menuitem/menuitem_gtk.cc

@@ -31,6 +31,7 @@ void MenuItem::Create(const base::DictionaryValue& option) {
   std::string type;
   option.GetString("type", &type);
   submenu_ = NULL;
+  gtk_accel_group = NULL;
 
   if (type == "separator") {
     menu_item_ = gtk_separator_menu_item_new();