| Index: chrome/browser/sync/util/extensions_activity_monitor.h
 | 
| diff --git a/chrome/browser/sync/util/extensions_activity_monitor.h b/chrome/browser/sync/util/extensions_activity_monitor.h
 | 
| index 9f5a1a36d773e02ad35f65ec119efa3b2c322ae5..a1e36f2c09f005bd4afbe67e55d4bc38a819d7ee 100644
 | 
| --- a/chrome/browser/sync/util/extensions_activity_monitor.h
 | 
| +++ b/chrome/browser/sync/util/extensions_activity_monitor.h
 | 
| @@ -5,6 +5,8 @@
 | 
|  #ifndef CHROME_BROWSER_SYNC_UTIL_EXTENSIONS_ACTIVITY_MONITOR_H_
 | 
|  #define CHROME_BROWSER_SYNC_UTIL_EXTENSIONS_ACTIVITY_MONITOR_H_
 | 
|  
 | 
| +#include <map>
 | 
| +
 | 
|  #include "base/lock.h"
 | 
|  #include "base/message_loop.h"
 | 
|  #include "base/ref_counted.h"
 | 
| 
 |