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

webkit/browser/fileapi/sandbox_directory_database.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.
 
 #include "webkit/browser/fileapi/sandbox_directory_database.h"
 
 #include <math.h>
 #include <algorithm>
 #include <set>
 #include <stack>
@@ skipping 162 matching lines @@
     fileapi::SandboxDirectoryDatabase* dir_db,
     leveldb::DB* db,
     const base::FilePath& path)
     : dir_db_(dir_db), db_(db), path_(path),
       num_directories_in_db_(0),
       num_files_in_db_(0),
       num_hierarchy_links_in_db_(0),
       last_file_id_(-1), last_integer_(-1) {
   DCHECK(dir_db_);
   DCHECK(db_);
-  DCHECK(!path_.empty() && file_util::DirectoryExists(path_));
+  DCHECK(!path_.empty() && base::DirectoryExists(path_));
 }
 
 bool DatabaseCheckHelper::IsDatabaseEmpty() {
   scoped_ptr<leveldb::Iterator> itr(db_->NewIterator(leveldb::ReadOptions()));
   itr->SeekToFirst();
   return !itr->Valid();
 }
 
 bool DatabaseCheckHelper::ScanDatabase() {
   // Scans all database entries sequentially to verify each of them has unique
@@ skipping 722 matching lines @@
 
 void SandboxDirectoryDatabase::HandleError(
     const tracked_objects::Location& from_here,
     const leveldb::Status& status) {
   LOG(ERROR) << "SandboxDirectoryDatabase failed at: "
              << from_here.ToString() << " with error: " << status.ToString();
   db_.reset();
 }
 
 }  // namespace fileapi