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

webkit/browser/fileapi/local_file_util_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 <string>
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop.h"
@@ skipping 57 matching lines @@
 
   base::FilePath LocalPath(const char *file_name) {
     base::FilePath path;
     scoped_ptr<FileSystemOperationContext> context(NewContext());
     file_util()->GetLocalFilePath(context.get(), CreateURL(file_name), &path);
     return path;
   }
 
   bool FileExists(const char *file_name) {
     return base::PathExists(LocalPath(file_name)) &&
-        !file_util::DirectoryExists(LocalPath(file_name));
+        !base::DirectoryExists(LocalPath(file_name));
   }
 
   bool DirectoryExists(const char *file_name) {
-    return file_util::DirectoryExists(LocalPath(file_name));
+    return base::DirectoryExists(LocalPath(file_name));
   }
 
   int64 GetSize(const char *file_name) {
     base::PlatformFileInfo info;
     file_util::GetFileInfo(LocalPath(file_name), &info);
     return info.size;
   }
 
   base::PlatformFileError CreateFile(const char* file_name,
                                      base::PlatformFile* file_handle,
@@ skipping 285 matching lines @@
                                       CreateURL(from_dir),
                                       CreateURL(to_dir)));
 
   EXPECT_FALSE(DirectoryExists(from_dir));
   EXPECT_TRUE(DirectoryExists(to_dir));
   EXPECT_TRUE(FileExists(to_file));
   EXPECT_EQ(1020, GetSize(to_file));
 }
 
 }  // namespace fileapi