Delete the PreferenceMACs on profile deletion.

chrome/browser/profiles/profile_manager.cc

Index: chrome/browser/profiles/profile_manager.cc
diff --git a/chrome/browser/profiles/profile_manager.cc b/chrome/browser/profiles/profile_manager.cc
index 72e0f2ae5dd178efc7c9b648f07919765a293afa..5e6615e5202861bb11d967b92453b7362b73dd87 100644
--- a/chrome/browser/profiles/profile_manager.cc
+++ b/chrome/browser/profiles/profile_manager.cc
@@ -1491,6 +1491,9 @@ void ProfileManager::FinishDeletingProfile(
       ProfileSyncServiceFactory::GetInstance()
           ->GetForProfile(profile)
           ->RequestStop(browser_sync::ProfileSyncService::CLEAR_DATA);
+
+      // Clean-up pref data that won't be cleaned up by NukeProfileFromDisk.
+      profile->GetPrefs()->CleanupForProfileDeletion();

[gab, 2017/06/05 17:28:57]

Why is this inside if
(ProfileSyncServiceFactory::GetInstance()->HasProfileSyncService() { ... } ?

[proberge, 2017/06/05 21:22:11]

My bad, I thought I put it under if (profile) {}. 

     }
 
     ProfileAttributesEntry* entry;