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

webkit/browser/fileapi/transient_file_util_unittest.cc

 // Copyright 2013 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 "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
@@ skipping 68 matching lines @@
 
   CreateAndRegisterTemporaryFile(&temp_url, &temp_path);
 
   base::PlatformFileError error;
   base::PlatformFileInfo file_info;
   base::FilePath path;
 
   // Make sure the file is there.
   ASSERT_TRUE(temp_url.is_valid());
   ASSERT_TRUE(base::PathExists(temp_path));
-  ASSERT_FALSE(file_util::DirectoryExists(temp_path));
+  ASSERT_FALSE(base::DirectoryExists(temp_path));
 
   // Create a snapshot file.
   {
     webkit_blob::ScopedFile scoped_file =
         file_util()->CreateSnapshotFile(NewOperationContext().get(),
                                         temp_url,
                                         &error,
                                         &file_info,
                                         &path);
     ASSERT_EQ(base::PLATFORM_FILE_OK, error);
@@ skipping 13 matching lines @@
   base::MessageLoop::current()->RunUntilIdle();
 
   // Now the temporary file and the transient filesystem must be gone too.
   ASSERT_FALSE(base::PathExists(temp_path));
   ASSERT_EQ(base::PLATFORM_FILE_ERROR_NOT_FOUND,
             file_util()->GetFileInfo(NewOperationContext().get(),
                                      temp_url, &file_info, &path));
 }
 
 }  // namespace fileapi