Replace string16 with base::string16.

chrome/browser/chromeos/file_manager/url_util.h

 // 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.
 //
 // This file provides URL-related utilities.
 
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_MANAGER_URL_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_MANAGER_URL_UTIL_H_
 
 #include <string>
@@ skipping 13 matching lines @@
 // chrome-extension://<app-id>/.
 GURL GetFileManagerBaseUrl();
 
 // Returns the file manager's main page URL.
 GURL GetFileManagerMainPageUrl();
 
 // Returns the file manager's main page URL with parameters encoded as JSON
 // in the query string section. |file_types| is optional.
 GURL GetFileManagerMainPageUrlWithParams(
     ui::SelectFileDialog::Type type,
-    const string16& title,
+    const base::string16& title,
     const base::FilePath& default_virtual_path,
     const ui::SelectFileDialog::FileTypeInfo* file_types,
     int file_type_index,
     const base::FilePath::StringType& default_extension);
 
 }  // namespace util
 }  // namespace file_manager
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_MANAGER_URL_UTIL_H_