| Index: ipc/ipc_message_attachment_set.h | 
| diff --git a/ipc/ipc_message_attachment_set.h b/ipc/ipc_message_attachment_set.h | 
| index fde409de745a922476d45a8c512fd47d651e020f..e7e414ba1eb059dc213f4cb7b8142c42ab3e2904 100644 | 
| --- a/ipc/ipc_message_attachment_set.h | 
| +++ b/ipc/ipc_message_attachment_set.h | 
| @@ -61,8 +61,11 @@ class IPC_EXPORT MessageAttachmentSet | 
|  | 
| // Returns a vector of all brokerable attachments. | 
| std::vector<const BrokerableAttachment*> PeekBrokerableAttachments() const; | 
| -  std::vector<scoped_refptr<BrokerableAttachment>> | 
| -  GetBrokerableAttachmentsForUpdating(); | 
| + | 
| +  // Replaces a placeholder brokerable attachment with |attachment|, matching | 
| +  // them by their id. | 
| +  void ReplacePlaceholderWithAttachment( | 
| +      const scoped_refptr<BrokerableAttachment>& attachment); | 
|  | 
| #if defined(OS_POSIX) | 
| // This is the maximum number of descriptors per message. We need to know this | 
|  |