Move PathIsWritable, DirectoryExists, ContentsEqual, and TextContentsEqual 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 260 matching lines @@
         RecordFailure(DIAG_RECON_FILE_TOO_LARGE,
                       "Path contents too large (" + printable_size + ") for: " +
                           UTF16ToUTF8(dir_or_file.LossyDisplayName()));
         return true;
       }
     }
     if (g_install_type->system_level() && !path_info_.test_writable) {
       RecordSuccess("Path exists");
       return true;
     }
-    if (!file_util::PathIsWritable(dir_or_file)) {
+    if (!base::PathIsWritable(dir_or_file)) {
       RecordFailure(DIAG_RECON_NOT_WRITABLE,
                     "Path is not writable: " +
                         UTF16ToUTF8(dir_or_file.LossyDisplayName()));
       return true;
     }
     RecordSuccess("Path exists and is writable: " + printable_size);
     return true;
   }
 
  private:
@@ skipping 127 matching lines @@
 
 DiagnosticsTest* MakeLocalStateTest() {
   base::FilePath path;
   PathService::Get(chrome::DIR_USER_DATA, &path);
   path = path.Append(chrome::kLocalStateFilename);
   return new JSONTest(
       path, kJSONLocalStateTest, "Local State JSON", 50 * kOneKilobyte);
 }
 
 }  // namespace diagnostics