Move PathExists to base namespace.

chrome/installer/util/conditional_work_item_list.cc

 // Copyright (c) 2010 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/installer/util/conditional_work_item_list.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 
 ConditionalWorkItemList::ConditionalWorkItemList(Condition* condition)
@@ skipping 14 matching lines @@
 }
 
 void ConditionalWorkItemList::Rollback() {
   VLOG(1) << "Rolling back conditional list " << log_message_;
   WorkItemList::Rollback();
 }
 
 // Pre-defined conditions:
 //------------------------------------------------------------------------------
 bool ConditionRunIfFileExists::ShouldRun() const {
-  return file_util::PathExists(key_path_);
+  return base::PathExists(key_path_);
 }
 
 bool Not::ShouldRun() const {
   return !original_condition_->ShouldRun();
 }