Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual to the base namespace.

chrome/installer/setup/uninstall.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.
 //
 // This file defines the methods useful for uninstalling Chrome.
 
 #include "chrome/installer/setup/uninstall.h"
 
 #include <windows.h>
 
@@ skipping 46 matching lines @@
 namespace {
 
 // Avoid leaving behind a Temp dir.  If one exists, ask SelfCleaningTempDir to
 // clean it up for us.  This may involve scheduling it for deletion after
 // reboot.  Don't report that a reboot is required in this case, however.
 // TODO(erikwright): Shouldn't this still lead to
 // ScheduleParentAndGrandparentForDeletion?
 void DeleteInstallTempDir(const base::FilePath& target_path) {
   base::FilePath temp_path(target_path.DirName().Append(
       installer::kInstallTempDir));
-  if (file_util::DirectoryExists(temp_path)) {
+  if (base::DirectoryExists(temp_path)) {
     installer::SelfCleaningTempDir temp_dir;
     if (!temp_dir.Initialize(target_path.DirName(),
                              installer::kInstallTempDir) ||
         !temp_dir.Delete()) {
       LOG(ERROR) << "Failed to delete temp dir " << temp_path.value();
     }
   }
 }
 
 // Iterates over the list of distribution types in |dist_types|, and
@@ skipping 1348 matching lines @@
     // deletion unconditionally. If they are not empty, the session manager
     // will not delete them on reboot.
     ScheduleParentAndGrandparentForDeletion(target_path);
   } else if (DeleteApplicationProductAndVendorDirectories(target_path) ==
              installer::DELETE_FAILED) {
     *uninstall_status = installer::UNINSTALL_FAILED;
   }
 }
 
 }  // namespace installer