Cleanup: Remove unneeded browser_thread.h includes.

chrome/browser/ui/views/ash/tab_scrubber_browsertest.cc

 // 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.
 
 #include "chrome/browser/ui/views/ash/tab_scrubber.h"
 
 #include "ash/display/event_transformation_handler.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/tabs/tab.h"
 #include "chrome/browser/ui/views/tabs/tab_strip.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
-#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/test_utils.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/window.h"
 #include "ui/events/event_utils.h"
 
 #if defined(OS_CHROMEOS)
 #include "chromeos/chromeos_switches.h"
 #endif
@@ skipping 381 matching lines @@
 // Close the browser while an activation is pending.
 IN_PROC_BROWSER_TEST_F(TabScrubberTest, CloseBrowser) {
   AddTabs(browser(), 1);
 
   SendScrubEvent(browser(), 0);
   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
   browser()->window()->Close();
   EXPECT_FALSE(TabScrubber::GetInstance()->IsActivationPending());
 }
 
-#endif // OS_CHROMEOS
+#endif  // defined(OS_CHROMEOS)