Relands "Removed InProcessBrowserTest::CleanUpOnMainThread()"

chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager_browsertest.cc

 // Copyright 2014 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/chromeos/login/users/wallpaper/wallpaper_manager.h"
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/desktop_background_controller_observer.h"
 #include "ash/desktop_background/desktop_background_controller_test_api.h"
 #include "ash/display/display_manager.h"
@@ skipping 59 matching lines @@
     DesktopBackgroundController::TestAPI(controller_)
         .set_wallpaper_reload_delay_for_test(0);
     UpdateDisplay("800x600");
   }
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     command_line->AppendSwitch(switches::kLoginManager);
     command_line->AppendSwitchASCII(switches::kLoginProfile, "user");
   }
 
-  virtual void CleanUpOnMainThread() OVERRIDE {
+  virtual void TearDownOnMainThread() OVERRIDE {
     controller_ = NULL;
   }
 
   // Update the display configuration as given in |display_specs|.  See
   // ash::test::DisplayManagerTestApi::UpdateDisplay for more details.
   void UpdateDisplay(const std::string& display_specs) {
     ash::test::DisplayManagerTestApi display_manager_test_api(
         ash::Shell::GetInstance()->display_manager());
     display_manager_test_api.UpdateDisplay(display_specs);
   }
@@ skipping 696 matching lines @@
 
   WallpaperManager::Get()->SetDefaultWallpaperNow(std::string());
   wallpaper_manager_test_utils::WaitAsyncWallpaperLoadFinished();
 
   EXPECT_TRUE(wallpaper_manager_test_utils::ImageIsNearColor(
       controller_->GetWallpaper(),
       wallpaper_manager_test_utils::kSmallDefaultWallpaperColor));
 }
 
 }  // namespace chromeos