Allow sync to resume in local backend mode after it has been disabled.

components/browser_sync/profile_sync_service.cc

Index: components/browser_sync/profile_sync_service.cc
diff --git a/components/browser_sync/profile_sync_service.cc b/components/browser_sync/profile_sync_service.cc
index 5eb7949df19312fb33f3f7d137fa9432ae7ff581..753205b2f1c230c08af6f149db50bfd19692d792 100644
--- a/components/browser_sync/profile_sync_service.cc
+++ b/components/browser_sync/profile_sync_service.cc
@@ -2223,7 +2223,9 @@ void ProfileSyncService::RequestStop(SyncStopDataFate data_fate) {
 
 bool ProfileSyncService::IsSyncRequested() const {
   DCHECK(thread_checker_.CalledOnValidThread());
-  return sync_prefs_.IsSyncRequested();
+  // When local sync is on sync should be considered requsted or otherwise it
+  // will not resume after the policy or the flag has been removed.
+  return sync_prefs_.IsSyncRequested() || sync_prefs_.IsLocalSyncEnabled();
 }
 
 SigninManagerBase* ProfileSyncService::signin() const {