Fixes History page keeps on loading when signed in with Passphrase

ios/chrome/browser/sync/sync_setup_service.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ios/chrome/browser/sync/sync_setup_service.h"
 
 #include <stdio.h>
 
 #include "base/metrics/histogram_macros.h"
 #include "components/prefs/pref_service.h"
@@ skipping 90 matching lines @@
   if (sync_all && !IsSyncEnabled())
     SetSyncEnabled(true);
   sync_service_->OnUserChoseDatatypes(
       sync_all, Intersection(GetDataTypes(), syncer::UserSelectableTypes()));
 }
 
 bool SyncSetupService::IsSyncEnabled() const {
   return sync_service_->CanSyncStart();
 }
 
+bool SyncSetupService::IsSecondaryPassphraseEnabled() const {
+  return sync_service_->IsUsingSecondaryPassphrase();
+}
+
 void SyncSetupService::SetSyncEnabled(bool sync_enabled) {
   SetSyncEnabledWithoutChangingDatatypes(sync_enabled);
   if (sync_enabled && GetDataTypes().Empty())
     SetSyncingAllDataTypes(true);
 }
 
 SyncSetupService::SyncServiceState SyncSetupService::GetSyncServiceState() {
   switch (sync_service_->GetAuthError().state()) {
     case GoogleServiceAuthError::REQUEST_CANCELED:
       return kSyncServiceCouldNotConnect;
@@ skipping 70 matching lines @@
     bool sync_enabled) {
   sync_blocker_ = sync_service_->GetSetupInProgressHandle();
   if (sync_enabled) {
     sync_service_->RequestStart();
   } else {
     UMA_HISTOGRAM_ENUMERATION("Sync.StopSource", syncer::CHROME_SYNC_SETTINGS,
                               syncer::STOP_SOURCE_LIMIT);
     sync_service_->RequestStop(syncer::SyncService::KEEP_DATA);
   }
 }