Clean up TestProfileSyncService and related tests

chrome/browser/sync/profile_sync_service.cc

 // Copyright (c) 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 "chrome/browser/sync/profile_sync_service.h"
 
 #include <cstddef>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 1677 matching lines @@
 
 base::Time ProfileSyncService::GetExplicitPassphraseTime() const {
   return backend_->GetExplicitPassphraseTime();
 }
 
 bool ProfileSyncService::IsCryptographerReady(
     const syncer::BaseTransaction* trans) const {
   return backend_.get() && backend_->IsCryptographerReady(trans);
 }
 
-SyncBackendHost* ProfileSyncService::GetBackendForTest() {
-  // We don't check |backend_initialized_|; we assume the test class
-  // knows what it's doing.
-  return backend_.get();
-}
-
 void ProfileSyncService::ConfigurePriorityDataTypes() {
   const syncer::ModelTypeSet priority_types =
       Intersection(GetPreferredDataTypes(), syncer::PriorityUserTypes());
   if (!priority_types.Empty()) {
     const syncer::ConfigureReason reason = HasSyncSetupCompleted() ?
         syncer::CONFIGURE_REASON_RECONFIGURATION :
         syncer::CONFIGURE_REASON_NEW_CLIENT;
     data_type_manager_->Configure(priority_types, reason);
   }
 }
@@ skipping 502 matching lines @@
   SyncTokenStatus status;
   status.connection_status_update_time = connection_status_update_time_;
   status.connection_status = connection_status_;
   status.token_request_time = token_request_time_;
   status.token_receive_time = token_receive_time_;
   status.last_get_token_error = last_get_token_error_;
   if (request_access_token_retry_timer_.IsRunning())
     status.next_token_request_time = next_token_request_time_;
   return status;
 }