Replace string16 with base::string16.

chrome/browser/chromeos/file_manager/select_file_dialog_util.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/chromeos/file_manager/select_file_dialog_util.h"
 
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace file_manager {
 namespace util {
 
-string16 GetSelectFileDialogTitle(ui::SelectFileDialog::Type dialog_type) {
-  string16 title;
+base::string16 GetSelectFileDialogTitle(
+    ui::SelectFileDialog::Type dialog_type) {
+  base::string16 title;
   switch (dialog_type) {
     case ui::SelectFileDialog::SELECT_NONE:
       // Full page file manager doesn't need a title.
       break;
 
     case ui::SelectFileDialog::SELECT_FOLDER:
       title = l10n_util::GetStringUTF16(
           IDS_FILE_BROWSER_SELECT_FOLDER_TITLE);
       break;
 
@@ skipping 19 matching lines @@
 
     default:
       NOTREACHED();
   }
 
   return title;
 }
 
 }  // namespace util
 }  // namespace file_manager