[USS] Show USS counters in about:sync page

components/sync/driver/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 "components/sync/driver/glue/sync_backend_host_impl.h"
 
 #include <stdint.h>
 
 #include <cstddef>
 #include <map>
@@ skipping 86 matching lines @@
                     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));
   MOCK_METHOD1(OnProtocolEvent, void(const syncer::ProtocolEvent&));
   MOCK_METHOD2(OnDirectoryTypeCommitCounterUpdated,
                void(syncer::ModelType, const syncer::CommitCounters&));
   MOCK_METHOD2(OnDirectoryTypeUpdateCounterUpdated,
                void(syncer::ModelType, const syncer::UpdateCounters&));
-  MOCK_METHOD2(OnDirectoryTypeStatusCounterUpdated,
-               void(syncer::ModelType, const syncer::StatusCounters&));
+  // workaround GMOCK problems with std::unique_ptr<>.
+  void OnDatatypeStatusCounterUpdated(
+      syncer::ModelType,
+      std::unique_ptr<syncer::StatusCounters>) override {}
   MOCK_METHOD1(OnExperimentsChanged, void(const syncer::Experiments&));
   MOCK_METHOD1(OnActionableError,
                void(const syncer::SyncProtocolError& sync_error));
   MOCK_METHOD0(OnSyncConfigureRetry, void());
   MOCK_METHOD1(
       OnLocalSetPassphraseEncryption,
       void(const syncer::SyncEncryptionHandler::NigoriState& nigori_state));
 };
 
 class FakeSyncManagerFactory : public syncer::SyncManagerFactory {
@@ skipping 742 matching lines @@
   backend_->StopSyncingForShutdown();
   // Verify that call to DeactivateNonBlockingDataType doesn't assert.
   backend_->DeactivateNonBlockingDataType(syncer::AUTOFILL);
   backend_->Shutdown(syncer::STOP_SYNC);
   backend_.reset();
 }
 
 }  // namespace
 
 }  // namespace browser_sync