Move ReadFileToString to the base namespace.

chrome/browser/media_galleries/fileapi/itunes_finder_win.cc

 // Copyright (c) 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/media_galleries/fileapi/itunes_finder_win.h"
 
 #include <string>
 
 #include "base/base_paths_win.h"
 #include "base/file_util.h"
@@ skipping 11 matching lines @@
 // Try to read the iTunes preferences file from the default location and return
 // its contents if found.
 std::string GetPrefFileData() {
   std::string xml_pref_data;
 
   base::FilePath appdata_dir;
   if (PathService::Get(base::DIR_APP_DATA, &appdata_dir)) {
     base::FilePath pref_file = appdata_dir.AppendASCII("Apple Computer")
                                           .AppendASCII("iTunes")
                                           .AppendASCII("iTunesPrefs.xml");
-    file_util::ReadFileToString(pref_file, &xml_pref_data);
+    base::ReadFileToString(pref_file, &xml_pref_data);
   }
   return xml_pref_data;
 }
 
 }  // namespace
 
 ITunesFinderWin::ITunesFinderWin(const ITunesFinderCallback& callback)
     : ITunesFinder(callback) {
 }
 
@@ skipping 39 matching lines @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
 
   if (library_file.empty() || !base::PathExists(library_file)) {
     TryDefaultLocation();
     return;
   }
   PostResultToUIThread(library_file.AsUTF8Unsafe());
 }
 
 }  // namespace itunes