[Sync] Remove backend unrecoverable error handler

chrome/browser/sync/glue/sync_backend_host_impl_unittest.cc

 // Copyright 2013 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/glue/sync_backend_host_impl.h"
 
 #include <cstddef>
 
 #include "base/files/file_util.h"
 #include "base/location.h"
@@ skipping 200 matching lines @@
     EXPECT_CALL(mock_frontend_, OnBackendInitialized(_, _, _, expect_success)).
         WillOnce(InvokeWithoutArgs(QuitMessageLoop));
     backend_->Initialize(
         &mock_frontend_,
         scoped_ptr<base::Thread>(),
         syncer::WeakHandle<syncer::JsEventHandler>(),
         GURL(std::string()),
         credentials_,
         true,
         fake_manager_factory_.Pass(),
-        make_scoped_ptr(new syncer::TestUnrecoverableErrorHandler),
+        MakeWeakHandle(test_unrecoverable_error_handler_.GetWeakPtr()),
         base::Closure(),
         network_resources_.get(),
         saved_nigori_state_.Pass());
     base::RunLoop run_loop;
     BrowserThread::PostDelayedTask(BrowserThread::UI, FROM_HERE,
                                    run_loop.QuitClosure(),
                                    TestTimeouts::action_timeout());
     run_loop.Run();
     // |fake_manager_factory_|'s fake_manager() is set on the sync
     // thread, but we can rely on the message loop barriers to
@@ skipping 50 matching lines @@
 
   void OnDownloadRetry() {
     NOTIMPLEMENTED();
   }
 
   content::TestBrowserThreadBundle thread_bundle_;
   StrictMock<MockSyncFrontend> mock_frontend_;
   syncer::SyncCredentials credentials_;
   TestingProfileManager profile_manager_;
   TestingProfile* profile_;
+  syncer::TestUnrecoverableErrorHandler test_unrecoverable_error_handler_;
   scoped_ptr<sync_driver::SyncPrefs> sync_prefs_;
   scoped_ptr<SyncBackendHostImpl> backend_;
   scoped_ptr<FakeSyncManagerFactory> fake_manager_factory_;
   FakeSyncManager* fake_manager_;
   syncer::ModelTypeSet enabled_types_;
   scoped_ptr<syncer::NetworkResources> network_resources_;
   scoped_ptr<syncer::SyncEncryptionHandler::NigoriState> saved_nigori_state_;
 };
 
 // Test basic initialization with no initial types (first time initialization).
@@ skipping 565 matching lines @@
   EXPECT_EQ(invalidation_versions.size(),
             persisted_invalidation_versions.size());
   for (auto iter : persisted_invalidation_versions) {
     EXPECT_EQ(invalidation_versions[iter.first], iter.second);
   }
 }
 
 }  // namespace
 
 }  // namespace browser_sync