Move some more file utils to the base namespace.

chrome/installer/util/move_tree_work_item_unittest.cc

 // Copyright (c) 2011 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 <windows.h>
 
 #include <fstream>
 
 #include "base/base_paths.h"
 #include "base/file_util.h"
@@ skipping 421 matching lines @@
                                        WorkItem::CHECK_DUPLICATES));
   EXPECT_TRUE(work_item->Do());
 
   // Make sure that we "moved" the files, i.e. that the source directory isn't
   // there anymore,
   EXPECT_FALSE(base::PathExists(from_dir1));
   // Make sure that the original directory structure and file are still present.
   EXPECT_TRUE(base::PathExists(to_dir));
   EXPECT_TRUE(base::PathExists(orig_to_file));
   // Make sure that the backup path is not empty.
-  EXPECT_FALSE(file_util::IsDirectoryEmpty(temp_to_dir_.path()));
+  EXPECT_FALSE(base::IsDirectoryEmpty(temp_to_dir_.path()));
 
   // Check that the work item believes the source to have been moved.
   EXPECT_TRUE(work_item->source_moved_to_backup_);
   EXPECT_FALSE(work_item->moved_to_dest_path_);
   EXPECT_FALSE(work_item->moved_to_backup_);
 
   // test rollback()
   work_item->Rollback();
 
   // Once we rollback all the original files should still be there, as should
@@ skipping 55 matching lines @@
                                        WorkItem::CHECK_DUPLICATES));
   EXPECT_TRUE(work_item->Do());
 
   // Make sure that we "moved" the files, i.e. that the source directory isn't
   // there anymore,
   EXPECT_FALSE(base::PathExists(from_dir1));
   // Make sure that the original directory structure and file are still present.
   EXPECT_TRUE(base::PathExists(to_dir));
   EXPECT_TRUE(base::PathExists(orig_to_file));
   // Make sure that the backup path is not empty.
-  EXPECT_FALSE(file_util::IsDirectoryEmpty(temp_to_dir_.path()));
+  EXPECT_FALSE(base::IsDirectoryEmpty(temp_to_dir_.path()));
   // Make sure that the "new" file is also present.
   base::FilePath new_to_file2(to_dir2);
   new_to_file2 = new_to_file2.AppendASCII("From_File2");
   EXPECT_TRUE(base::PathExists(new_to_file2));
 
   // Check that the work item believes that this was a regular move.
   EXPECT_FALSE(work_item->source_moved_to_backup_);
   EXPECT_TRUE(work_item->moved_to_dest_path_);
   EXPECT_TRUE(work_item->moved_to_backup_);
 
   // test rollback()
   work_item->Rollback();
 
   // Once we rollback all the original files should still be there, as should
   // the source files.
   EXPECT_TRUE(base::PathExists(from_dir1));
   EXPECT_TRUE(base::PathExists(to_dir));
   EXPECT_TRUE(base::PathExists(orig_to_file));
   EXPECT_EQ(0, ReadTextFile(orig_to_file).compare(kTextContent1));
   EXPECT_EQ(0, ReadTextFile(from_file).compare(kTextContent1));
 
   // Also, after rollback the new "to" file should be gone.
   EXPECT_FALSE(base::PathExists(new_to_file2));
 }