| Index: chrome/browser/safe_browsing/safe_browsing_service.h | 
| diff --git a/chrome/browser/safe_browsing/safe_browsing_service.h b/chrome/browser/safe_browsing/safe_browsing_service.h | 
| index d650ae1f14a0d79ae242946ce4c66279a8816c52..bf29fb45727f7e5dd63dc1f164a87f5e847bfde8 100644 | 
| --- a/chrome/browser/safe_browsing/safe_browsing_service.h | 
| +++ b/chrome/browser/safe_browsing/safe_browsing_service.h | 
| @@ -20,6 +20,7 @@ | 
| #include "base/memory/ref_counted.h" | 
| #include "base/memory/scoped_ptr.h" | 
| #include "base/observer_list.h" | 
| +#include "base/prefs/public/pref_observer.h" | 
| #include "base/sequenced_task_runner_helpers.h" | 
| #include "base/synchronization/lock.h" | 
| #include "base/time.h" | 
| @@ -55,7 +56,8 @@ class DownloadProtectionService; | 
| class SafeBrowsingService | 
| : public base::RefCountedThreadSafe< | 
| SafeBrowsingService, content::BrowserThread::DeleteOnUIThread>, | 
| -      public content::NotificationObserver { | 
| +      public content::NotificationObserver, | 
| +      public PrefObserver { | 
| public: | 
| class Client; | 
| // Passed a boolean indicating whether or not it is OK to proceed with | 
| @@ -470,6 +472,10 @@ class SafeBrowsingService | 
| const content::NotificationSource& source, | 
| const content::NotificationDetails& details) OVERRIDE; | 
|  | 
| +  // PrefObserver override | 
| +  virtual void OnPreferenceChanged(PrefServiceBase* service, | 
| +                                   const std::string& pref_name) OVERRIDE; | 
| + | 
| // Starts following the safe browsing preference on |pref_service|. | 
| void AddPrefService(PrefService* pref_service); | 
|  | 
|  |