sync: Remove dead code related to ClearUserData

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/file_util.h"
 #include "base/location.h"
@@ skipping 54 matching lines @@
   virtual ~MockSyncFrontend() {}
 
   MOCK_METHOD3(
       OnBackendInitialized,
       void(const syncer::WeakHandle<syncer::JsBackend>&,
            const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&,
            bool));
   MOCK_METHOD0(OnSyncCycleCompleted, void());
   MOCK_METHOD1(OnConnectionStatusChange,
                void(syncer::ConnectionStatus status));
-  MOCK_METHOD0(OnStopSyncingPermanently, void());
   MOCK_METHOD0(OnClearServerDataSucceeded, void());
   MOCK_METHOD0(OnClearServerDataFailed, void());
   MOCK_METHOD2(OnPassphraseRequired,
                void(syncer::PassphraseRequiredReason,
                     const sync_pb::EncryptedData&));
   MOCK_METHOD0(OnPassphraseAccepted, void());
   MOCK_METHOD2(OnEncryptedTypesChanged,
                void(syncer::ModelTypeSet, bool));
   MOCK_METHOD0(OnEncryptionComplete, void());
   MOCK_METHOD1(OnMigrationNeededForTypes, void(syncer::ModelTypeSet));
@@ skipping 615 matching lines @@
   ASSERT_NE(-1, file_util::WriteFile(sync_file, nonsense, strlen(nonsense)));
 
   InitializeBackend(true);
 
   EXPECT_FALSE(base::PathExists(sync_file));
 }
 
 }  // namespace
 
 }  // namespace browser_sync