| Index: chrome/browser/sync/engine/syncapi.h | 
| diff --git a/chrome/browser/sync/engine/syncapi.h b/chrome/browser/sync/engine/syncapi.h | 
| index 211ce6cc9c55bc9017ce1086f338e1dddd5728bb..8264f4102e8409d420f6b3c71271e90810bfda5a 100644 | 
| --- a/chrome/browser/sync/engine/syncapi.h | 
| +++ b/chrome/browser/sync/engine/syncapi.h | 
| @@ -544,6 +544,9 @@ class BaseTransaction { | 
| DISALLOW_COPY_AND_ASSIGN(BaseTransaction); | 
| }; | 
|  | 
| +// TODO(akalin): Make ReadTransaction/WriteTransaction take a Location | 
| +// parameter. | 
| + | 
| // Sync API's ReadTransaction is a read-only BaseTransaction.  It wraps | 
| // a syncable::ReadTransaction. | 
| class ReadTransaction : public BaseTransaction { | 
|  |