| Index: chrome/browser/process_singleton_posix.cc | 
| diff --git a/chrome/browser/process_singleton_posix.cc b/chrome/browser/process_singleton_posix.cc | 
| index c684f51ce101f2d97c355b3006acc19f61ae13af..1962d655074d068ba4a01d15148a73ad0683ee6d 100644 | 
| --- a/chrome/browser/process_singleton_posix.cc | 
| +++ b/chrome/browser/process_singleton_posix.cc | 
| @@ -754,6 +754,7 @@ ProcessSingleton::ProcessSingleton( | 
| } | 
|  | 
| ProcessSingleton::~ProcessSingleton() { | 
| +  DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); | 
| } | 
|  | 
| ProcessSingleton::NotifyResult ProcessSingleton::NotifyOtherProcess() { | 
|  |