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

extensions/common/extension_messages.h

Index: extensions/common/extension_messages.h
diff --git a/extensions/common/extension_messages.h b/extensions/common/extension_messages.h
index c4d87bcf1fe7c70b3eae5a6dcd29dc67c4c5b27d..5d0019de8a48d030aedec82fd9b5d05a54572ce6 100644
--- a/extensions/common/extension_messages.h
+++ b/extensions/common/extension_messages.h
@@ -217,8 +217,12 @@ IPC_STRUCT_BEGIN(ExtensionMsg_ExternalConnectionInfo)
   // The process ID of the webview that initiated the request.
   IPC_STRUCT_MEMBER(int, guest_process_id)
 
-  // The render frame routing ID of the webview that initiated the request.
-  IPC_STRUCT_MEMBER(int, guest_render_frame_routing_id)
+  // The render frame ID of the frame/webview that initiated the request.
+  IPC_STRUCT_MEMBER(int, source_render_frame_routing_id)
+
+  // True if the request was initiated by a frame in the same process as the
+  // recipient.
+  IPC_STRUCT_MEMBER(bool, source_is_in_same_process)
 IPC_STRUCT_END()
 
 IPC_STRUCT_TRAITS_BEGIN(extensions::DraggableRegion)