Move ReadFileToString to the base namespace.

chrome/common/auto_start_linux.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/common/auto_start_linux.h"
 
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 52 matching lines @@
       autostart_directory.Append(autostart_filename);
   return base::DeleteFile(autostart_file, false);
 }
 
 bool AutoStart::GetAutostartFileContents(
     const std::string& autostart_filename, std::string* contents) {
   scoped_ptr<base::Environment> environment(base::Environment::Create());
   base::FilePath autostart_directory = GetAutostartDirectory(environment.get());
   base::FilePath autostart_file =
       autostart_directory.Append(autostart_filename);
-  return file_util::ReadFileToString(autostart_file, contents);
+  return base::ReadFileToString(autostart_file, contents);
 }
 
 bool AutoStart::GetAutostartFileValue(const std::string& autostart_filename,
                                       const std::string& value_name,
                                       std::string* value) {
   std::string contents;
   if (!GetAutostartFileContents(autostart_filename, &contents))
     return false;
   base::StringTokenizer tokenizer(contents, "\n");
   std::string token = value_name + "=";
   while (tokenizer.GetNext()) {
     if (tokenizer.token().substr(0, token.length()) == token) {
       *value = tokenizer.token().substr(token.length());
       return true;
     }
   }
   return false;
 }