Cleanup: Remove unneeded browser_thread.h usage.

chrome/browser/chromeos/login/owner_manager_unittest.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_OWNER_MANAGER_UNITTEST_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_OWNER_MANAGER_UNITTEST_H_
 
 #include "chrome/browser/chromeos/login/owner_manager.h"
 
 #include <string>
+#include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
-#include "chrome/browser/browser_thread.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/notification_type.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 
 namespace chromeos {
 class MockKeyLoadObserver : public NotificationObserver {
@@ skipping 95 matching lines @@
   const OwnerManager::KeyOpCode expected_code_;
   const std::vector<uint8> expected_sig_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockSigner);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_OWNER_MANAGER_UNITTEST_H_