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

webkit/browser/fileapi/sandbox_directory_database_unittest.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 <limits>
 
 #include "base/file_util.h"
@@ skipping 63 matching lines @@
                   FileId* file_id_out) {
     FileId file_id;
 
     FileInfo info;
     info.parent_id = parent_id;
     info.name = name;
     info.data_path = base::FilePath(data_path).NormalizePathSeparators();
     ASSERT_TRUE(db_->AddFileInfo(info, &file_id));
 
     base::FilePath local_path = path().Append(data_path);
-    if (!file_util::DirectoryExists(local_path.DirName()))
+    if (!base::DirectoryExists(local_path.DirName()))
       ASSERT_TRUE(file_util::CreateDirectory(local_path.DirName()));
 
     bool created = false;
     base::PlatformFileError error = base::PLATFORM_FILE_ERROR_FAILED;
     base::PlatformFile file = base::CreatePlatformFile(
         local_path,
         base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE,
         &created, &error);
     ASSERT_EQ(base::PLATFORM_FILE_OK, error);
     ASSERT_TRUE(created);
@@ skipping 574 matching lines @@
   EXPECT_FALSE(db()->IsFileSystemConsistent());
 
   FileId file_id;
   EXPECT_TRUE(db()->GetChildWithName(0, kFileName, &file_id));
   EXPECT_EQ(file_id_prev, file_id);
 
   EXPECT_TRUE(db()->IsFileSystemConsistent());
 }
 
 }  // namespace fileapi