Move PathExists to base namespace.

chrome/installer/util/copy_tree_work_item.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/copy_tree_work_item.h"
 
 #include <shlwapi.h>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 11 matching lines @@
       dest_path_(dest_path),
       temp_dir_(temp_dir),
       overwrite_option_(overwrite_option),
       alternative_path_(alternative_path),
       copied_to_dest_path_(false),
       moved_to_backup_(false),
       copied_to_alternate_path_(false) {
 }
 
 bool CopyTreeWorkItem::Do() {
-  if (!file_util::PathExists(source_path_)) {
+  if (!base::PathExists(source_path_)) {
     LOG(ERROR) << source_path_.value() << " does not exist";
     return false;
   }
 
-  bool dest_exist = file_util::PathExists(dest_path_);
+  bool dest_exist = base::PathExists(dest_path_);
   // handle overwrite_option_ = IF_DIFFERENT case.
   if ((dest_exist) &&
       (overwrite_option_ == WorkItem::IF_DIFFERENT) &&  // only for single file
       (!file_util::DirectoryExists(source_path_)) &&
       (!file_util::DirectoryExists(dest_path_)) &&
       (file_util::ContentsEqual(source_path_, dest_path_))) {
     VLOG(1) << "Source file " << source_path_.value()
             << " and destination file " << dest_path_.value()
             << " are exactly same. Returning true.";
     return true;
   } else if ((dest_exist) &&
              (overwrite_option_ == WorkItem::NEW_NAME_IF_IN_USE) &&
              (!file_util::DirectoryExists(source_path_)) &&
              (!file_util::DirectoryExists(dest_path_)) &&
              (IsFileInUse(dest_path_))) {
     // handle overwrite_option_ = NEW_NAME_IF_IN_USE case.
     if (alternative_path_.empty() ||
-        file_util::PathExists(alternative_path_) ||
+        base::PathExists(alternative_path_) ||
         !base::CopyFile(source_path_, alternative_path_)) {
       LOG(ERROR) << "failed to copy " << source_path_.value()
                  << " to " << alternative_path_.value();
       return false;
     } else {
       copied_to_alternate_path_ = true;
       VLOG(1) << "Copied source file " << source_path_.value()
               << " to alternative path " << alternative_path_.value();
       return true;
     }
@@ skipping 53 matching lines @@
                  << " to " << dest_path_.value();
     }
   }
   if (copied_to_alternate_path_ &&
       !base::Delete(alternative_path_, true)) {
     LOG(ERROR) << "Can not delete " << alternative_path_.value();
   }
 }
 
 bool CopyTreeWorkItem::IsFileInUse(const base::FilePath& path) {
-  if (!file_util::PathExists(path))
+  if (!base::PathExists(path))
     return false;
 
   HANDLE handle = ::CreateFile(path.value().c_str(), FILE_ALL_ACCESS,
                                NULL, NULL, OPEN_EXISTING, NULL, NULL);
   if (handle  == INVALID_HANDLE_VALUE)
     return true;
 
   CloseHandle(handle);
   return false;
 }