Move ComputeDirectorySize to the base namespace.

chrome/browser/diagnostics/recon_diagnostics.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 "chrome/browser/diagnostics/recon_diagnostics.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
@@ skipping 225 matching lines @@
       return false;
     }
     if (!file_util::PathExists(dir_or_file)) {
       RecordFailure(ASCIIToUTF16("Path not found: ") +
                     dir_or_file.LossyDisplayName());
       return true;
     }
 
     int64 dir_or_file_size = 0;
     if (path_info_.is_directory) {
-      dir_or_file_size = file_util::ComputeDirectorySize(dir_or_file);
+      dir_or_file_size = base::ComputeDirectorySize(dir_or_file);
     } else {
       file_util::GetFileSize(dir_or_file, &dir_or_file_size);
     }
     if (!dir_or_file_size && !path_info_.is_optional) {
       RecordFailure(ASCIIToUTF16("Cannot obtain size for: ") +
                     dir_or_file.LossyDisplayName());
       return true;
     }
     string16 printable_size = ui::FormatBytes(dir_or_file_size);
 
@@ skipping 160 matching lines @@
   path = path.Append(chrome::kBookmarksFileName);
   return new JSONTest(path, ASCIIToUTF16("BookMarks JSON"), 2 * kOneMeg);
 }
 
 DiagnosticTest* MakeLocalStateTest() {
   base::FilePath path;
   PathService::Get(chrome::DIR_USER_DATA, &path);
   path = path.Append(chrome::kLocalStateFilename);
   return new JSONTest(path, ASCIIToUTF16("Local State JSON"), 50 * kOneKilo);
 }