Let SyncManagerFactory create different types of sync managers according to

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 91 matching lines @@
   MOCK_METHOD1(OnExperimentsChanged,
       void(const syncer::Experiments&));
   MOCK_METHOD1(OnActionableError,
       void(const syncer::SyncProtocolError& sync_error));
   MOCK_METHOD0(OnSyncConfigureRetry, void());
 };
 
 class FakeSyncManagerFactory : public syncer::SyncManagerFactory {
  public:
   explicit FakeSyncManagerFactory(FakeSyncManager** fake_manager)
-     : fake_manager_(fake_manager) {
+     : SyncManagerFactory(NORMAL),
+       fake_manager_(fake_manager) {
     *fake_manager_ = NULL;
   }
   virtual ~FakeSyncManagerFactory() {}
 
   // SyncManagerFactory implementation.  Called on the sync thread.
   virtual scoped_ptr<SyncManager> CreateSyncManager(
       std::string name) OVERRIDE {
     *fake_manager_ = new FakeSyncManager(initial_sync_ended_types_,
                                          progress_marker_types_,
                                          configure_fail_types_);
@@ skipping 599 matching lines @@
   ASSERT_NE(-1, base::WriteFile(sync_file, nonsense, strlen(nonsense)));
 
   InitializeBackend(true);
 
   EXPECT_FALSE(base::PathExists(sync_file));
 }
 
 }  // namespace
 
 }  // namespace browser_sync