Delete TODO-comment about guest process/frame IDs in MessageService::OpenChannelImpl

chrome/browser/extensions/api/messaging/message_service.h

Index: chrome/browser/extensions/api/messaging/message_service.h
diff --git a/chrome/browser/extensions/api/messaging/message_service.h b/chrome/browser/extensions/api/messaging/message_service.h
index 667594eb6cfcaeec2106b9880d4b76f5e65f30b8..41304e86d9c2db9cb3d7a888ba9f379062460b29 100644
--- a/chrome/browser/extensions/api/messaging/message_service.h
+++ b/chrome/browser/extensions/api/messaging/message_service.h
@@ -81,8 +81,9 @@ class MessageService : public BrowserContextKeyedAPI {
         const std::string& channel_name,
         std::unique_ptr<base::DictionaryValue> source_tab,
         int source_frame_id,
-        int guest_process_id,
-        int guest_render_frame_routing_id,
+        bool include_guest_process_info,
+        int source_process_id,
+        int source_render_frame_routing_id,
         const std::string& source_extension_id,
         const std::string& target_extension_id,
         const GURL& source_url,