FBTF: Remove unneeded headers from base/ (part 2)

chrome/browser/sync/profile_sync_service_autofill_unittest.cc

 // Copyright (c) 2010 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 <set>
 #include <string>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include "base/message_loop.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/string16.h"
 #include "base/task.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
-#include "base/waitable_event.h"
 #include "chrome/browser/autofill/autofill_common_unittest.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/sync/abstract_profile_sync_service_test.h"
 #include "chrome/browser/sync/engine/syncapi.h"
 #include "chrome/browser/sync/glue/autofill_change_processor.h"
 #include "chrome/browser/sync/glue/autofill_data_type_controller.h"
 #include "chrome/browser/sync/glue/autofill_model_associator.h"
 #include "chrome/browser/sync/profile_sync_factory.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_test_util.h"
 #include "chrome/browser/sync/protocol/autofill_specifics.pb.h"
 #include "chrome/browser/sync/syncable/model_type.h"
 #include "chrome/browser/sync/test_profile_sync_service.h"
 #include "chrome/browser/webdata/autofill_change.h"
 #include "chrome/browser/webdata/autofill_entry.h"
 #include "chrome/browser/webdata/web_database.h"
 #include "chrome/common/notification_source.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/test/profile_mock.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using base::Time;
-using base::WaitableEvent;
 using browser_sync::AutofillChangeProcessor;
 using browser_sync::AutofillDataTypeController;
 using browser_sync::AutofillModelAssociator;
 using syncable::WriteTransaction;
 using testing::_;
 using testing::DoAll;
 using testing::DoDefault;
 using testing::ElementsAre;
 using testing::Eq;
 using testing::Invoke;
@@ skipping 924 matching lines @@
   service_->AddObserver(&observer);
   EXPECT_CALL(observer, OnStateChanged()).WillOnce(QuitUIMessageLoop());
   MessageLoop::current()->Run();
   EXPECT_TRUE(service_->unrecoverable_error_detected());
 
   // Ensure future autofill notifications don't crash.
   notifier->Notify(NotificationType::AUTOFILL_ENTRIES_CHANGED,
                    Source<WebDataService>(web_data_service_.get()),
                    Details<AutofillChangeList>(&changes));
 }