Create content\public\test\test_utils.h to hold common test classes that are used by unit and brows…

chrome/browser/extensions/lazy_background_page_test_util.h

 // Copyright (c) 2012 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_EXTENSIONS_LAZY_BACKGROUND_PAGE_TEST_UTIL_H_
 #define CHROME_BROWSER_EXTENSIONS_LAZY_BACKGROUND_PAGE_TEST_UTIL_H_
 
+#include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/test/base/ui_test_utils.h"
+#include "content/public/test/test_utils.h"
 
 // Helper class to wait for a lazy background page to load and close again.
 class LazyBackgroundObserver {
  public:
   LazyBackgroundObserver()
       : page_created_(chrome::NOTIFICATION_EXTENSION_BACKGROUND_PAGE_READY,
                       content::NotificationService::AllSources()),
         page_closed_(chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
                      content::NotificationService::AllSources()) {
   }
   explicit LazyBackgroundObserver(Profile* profile)
       : page_created_(chrome::NOTIFICATION_EXTENSION_BACKGROUND_PAGE_READY,
                       content::NotificationService::AllSources()),
         page_closed_(chrome::NOTIFICATION_EXTENSION_HOST_DESTROYED,
                      content::Source<Profile>(profile)) {
   }
   void Wait() {
     page_created_.Wait();
     page_closed_.Wait();
   }
 
   void WaitUntilLoaded() {
     page_created_.Wait();
   }
   void WaitUntilClosed() {
     page_closed_.Wait();
   }
 
  private:
-  ui_test_utils::WindowedNotificationObserver page_created_;
-  ui_test_utils::WindowedNotificationObserver page_closed_;
+  content::WindowedNotificationObserver page_created_;
+  content::WindowedNotificationObserver page_closed_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_LAZY_BACKGROUND_PAGE_TEST_UTIL_H_