Move the rest of test_file_util to base namespace.

chrome/browser/download/download_path_reservation_tracker_unittest.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 "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/observer_list.h"
@@ skipping 428 matching lines @@
 // If the target directory is unwriteable, then callback should be notified that
 // verification failed.
 TEST_F(DownloadPathReservationTrackerTest, UnwriteableDirectory) {
   scoped_ptr<MockDownloadItem> item(CreateDownloadItem(1));
   base::FilePath path(
       GetPathInDownloadsDirectory(FILE_PATH_LITERAL("foo.txt")));
   base::FilePath dir(path.DirName());
   ASSERT_FALSE(IsPathInUse(path));
 
   {
-    // Scope for PermissionRestorer
-    file_util::PermissionRestorer restorer(dir);
-    EXPECT_TRUE(file_util::MakeFileUnwritable(dir));
+    // Scope for FilePermissionRestorer
+    base::FilePermissionRestorer restorer(dir);
+    EXPECT_TRUE(base::MakeFileUnwritable(dir));
     base::FilePath reserved_path;
     bool verified = true;
     DownloadPathReservationTracker::FilenameConflictAction conflict_action =
       DownloadPathReservationTracker::OVERWRITE;
     bool create_directory = false;
     CallGetReservedPath(
         item.get(),
         path,
         create_directory,
         conflict_action,
@@ skipping 203 matching lines @@
       create_directory,
       conflict_action,
       &reserved_path,
       &verified);
   // We cannot truncate a path with very long extension.
   EXPECT_FALSE(verified);
   SetDownloadItemState(item.get(), DownloadItem::COMPLETE);
 }
 
 #endif