Move Posix file utils to the base namespace.

chrome/browser/extensions/api/music_manager_private/device_id_linux.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 "chrome/browser/extensions/api/music_manager_private/device_id.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 16 matching lines @@
 
   base::FileEnumerator files(base::FilePath(kDiskByUuidDirectoryName),
                              false,  // Recursive.
                              base::FileEnumerator::FILES);
   do {
     base::FilePath file_path = files.Next();
     if (file_path.empty())
       break;
 
     base::FilePath target_path;
-    if (!file_util::ReadSymbolicLink(file_path, &target_path))
+    if (!base::ReadSymbolicLink(file_path, &target_path))
       continue;
 
     base::FilePath device_name = target_path.BaseName();
     base::FilePath disk_uuid = file_path.BaseName();
     disk_uuids[device_name] = disk_uuid;
   } while (true);
 
   // Look for first device name matching an entry of |kDeviceNames|.
   std::string result;
   for (size_t i = 0; i < arraysize(kDeviceNames); i++) {
@@ skipping 36 matching lines @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   content::BrowserThread::PostTask(
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(GetDiskUuid, callback));
 }
 
 }  // namespace api
 }  // namespace extensions