Move PathExists to base namespace.

chrome/installer/util/self_cleaning_temp_dir.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 "chrome/installer/util/self_cleaning_temp_dir.h"
 
 #include <windows.h>
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "chrome/installer/util/delete_after_reboot_helper.h"
 
 namespace installer {
 
 // Populates |base_dir| with the topmost directory in the hierarchy of
 // |temp_parent_dir| that does not exist.  If |temp_parent_dir| exists,
 // |base_dir| is cleared.
 // static
 void SelfCleaningTempDir::GetTopDirToCreate(
     const base::FilePath& temp_parent_dir,
     base::FilePath* base_dir) {
   DCHECK(base_dir);
 
-  if (file_util::PathExists(temp_parent_dir)) {
+  if (base::PathExists(temp_parent_dir)) {
     // Empty base_dir means that we didn't create any extra directories.
     base_dir->clear();
   } else {
     base::FilePath parent_dir(temp_parent_dir);
     do {
       *base_dir = parent_dir;
       parent_dir = parent_dir.DirName();
-    } while (parent_dir != *base_dir && !file_util::PathExists(parent_dir));
+    } while (parent_dir != *base_dir && !base::PathExists(parent_dir));
     LOG_IF(WARNING, !file_util::DirectoryExists(parent_dir))
         << "A non-directory is at the base of the path leading to a desired "
            "temp directory location: " << parent_dir.value();
   }
 }
 
 SelfCleaningTempDir::SelfCleaningTempDir() {
 }
 
 SelfCleaningTempDir::~SelfCleaningTempDir() {
@@ skipping 66 matching lines @@
     } while (true);
   }
 
   base_dir_.clear();
   temp_dir_.clear();
 
   return true;
 }
 
 }  // namespace installer