[sync] Fix IsSyncConfirmationNeeded crash when local backend is enabled

components/browser_sync/profile_sync_service_unittest.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 "components/browser_sync/profile_sync_service.h"
 
 #include <utility>
 
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 204 matching lines @@
     component_factory_ = profile_sync_service_bundle_.component_factory();
     ProfileSyncServiceBundle::SyncClientBuilder builder(
         &profile_sync_service_bundle_);
     ProfileSyncService::InitParams init_params =
         profile_sync_service_bundle_.CreateBasicInitParams(
             ProfileSyncService::AUTO_START, builder.Build());
 
     prefs()->SetBoolean(syncer::prefs::kEnableLocalSyncBackend, true);
     init_params.oauth2_token_service = nullptr;
     init_params.gaia_cookie_manager_service = nullptr;
+    init_params.signin_wrapper.reset();
 
     service_ = base::MakeUnique<ProfileSyncService>(std::move(init_params));
     service_->RegisterDataTypeController(
         base::MakeUnique<syncer::FakeDataTypeController>(syncer::BOOKMARKS));
   }
 
   void ShutdownAndDeleteService() {
     if (service_)
       service_->Shutdown();
     service_.reset();
@@ skipping 150 matching lines @@
 // Verify a successful initialization.
 TEST_F(ProfileSyncServiceTest, SuccessfulLocalBackendInitialization) {
   prefs()->SetManagedPref(syncer::prefs::kSyncManaged,
                           base::MakeUnique<base::Value>(false));
   CreateServiceWithLocalSyncBackend();
   ExpectDataTypeManagerCreation(1, GetDefaultConfigureCalledCallback());
   ExpectSyncEngineCreation(1);
   InitializeForNthSync();
   EXPECT_FALSE(service()->IsManaged());
   EXPECT_TRUE(service()->IsSyncActive());
+  EXPECT_FALSE(service()->IsSyncConfirmationNeeded());
 }
 
 // Verify that an initialization where first setup is not complete does not
 // start up the backend.
 TEST_F(ProfileSyncServiceTest, NeedsConfirmation) {
   prefs()->SetManagedPref(syncer::prefs::kSyncManaged,
                           base::MakeUnique<base::Value>(false));
   IssueTestTokens();
   CreateService(ProfileSyncService::MANUAL_START);
+
   syncer::SyncPrefs sync_prefs(prefs());
   base::Time now = base::Time::Now();
   sync_prefs.SetLastSyncedTime(now);
   sync_prefs.SetKeepEverythingSynced(true);
   service()->Initialize();
   EXPECT_FALSE(service()->IsSyncActive());
+  EXPECT_TRUE(service()->IsSyncConfirmationNeeded());
 
   // The last sync time shouldn't be cleared.
   // TODO(zea): figure out a way to check that the directory itself wasn't
   // cleared.
   EXPECT_EQ(now, sync_prefs.GetLastSyncedTime());
 }
 
 // Verify that the SetSetupInProgress function call updates state
 // and notifies observers.
 TEST_F(ProfileSyncServiceTest, SetupInProgress) {
@@ skipping 571 matching lines @@
   // Progress the controller to RUNNING first, which is how the service
   // determines whether a type is enabled.
   controller->StartAssociating(base::Bind(&DoNothing));
   controller->FinishStart(DataTypeController::OK_FIRST_RUN);
   service()->RegisterDataTypeController(std::move(controller));
   EXPECT_NE(nullptr, service()->GetOpenTabsUIDelegate());
 }
 
 }  // namespace
 }  // namespace browser_sync