Move PathExists to base namespace.

chrome/browser/chromeos/login/wallpaper_manager_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/chromeos/login/wallpaper_manager.h"
 
 #include "ash/ash_resources/grit/ash_wallpaper_resources.h"
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/desktop_background/desktop_background_controller_observer.h"
 #include "ash/display/display_manager.h"
@@ skipping 273 matching lines @@
   WaitAsyncWallpaperLoad();
   EXPECT_EQ(2, LoadedWallpapers());
   wallpaper_manager->UpdateWallpaper();
   // Wait for wallpaper migration and refresh. Note: the migration is guarantee
   // to finish before wallpaper refresh finish. This is guarantted by sequence
   // worker pool we use.
   WaitAsyncWallpaperLoad();
   EXPECT_EQ(3, LoadedWallpapers());
   base::FilePath new_wallpaper_path = GetCustomWallpaperPath(
       kOriginalWallpaperSubDir, kTestUser1, "DUMMY");
-  EXPECT_FALSE(file_util::PathExists(old_wallpaper_path));
-  EXPECT_TRUE(file_util::PathExists(new_wallpaper_path));
+  EXPECT_FALSE(base::PathExists(old_wallpaper_path));
+  EXPECT_TRUE(base::PathExists(new_wallpaper_path));
 }
 
 // Some users have old user profiles which may have legacy wallpapers. And these
 // lagacy wallpapers should migrate to new wallpaper picker version seamlessly.
 // This tests make sure we compatible with migrated old wallpapers.
 // crosbug.com/38429
 IN_PROC_BROWSER_TEST_F(WallpaperManagerBrowserTest,
                        PRE_UseMigratedWallpaperInfo) {
   // New user log in, a default wallpaper is loaded.
   LogIn(kTestUser1);
@@ skipping 94 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(WallpaperManagerBrowserTestNoAnimation,
                        UsePreMigrationWallpaperInfo) {
   LogIn(kTestUser1);
   WaitAsyncWallpaperLoad();
   // This test should finish normally. If timeout, it is probably because chrome
   // can not handle pre migrated user profile (M21 profile or older).
 }
 
 }  // namespace chromeos