Add utf_string_conversions to base namespace.

chrome/browser/ui/web_applications/web_app_ui.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/browser/ui/web_applications/web_app_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
@@ skipping 265 matching lines @@
   base::FilePath icon_file = web_app_path.Append(file_name_).ReplaceExtension(
       FILE_PATH_LITERAL(".ico"));
   web_app::internals::CheckAndSaveIcon(icon_file,
                                        *shortcut_info_.favicon.ToSkBitmap());
 
   // Update existing shortcuts' description, icon and app id.
   CheckExistingShortcuts();
   if (!shortcut_files_.empty()) {
     // Generates app id from web app url and profile path.
     string16 app_id = ShellIntegration::GetAppModelIdForProfile(
-        UTF8ToWide(web_app::GenerateApplicationNameFromURL(shortcut_info_.url)),
+        base::UTF8ToWide(web_app::GenerateApplicationNameFromURL(
+            shortcut_info_.url)),
         profile_path_);
 
     // Sanitize description
     if (shortcut_info_.description.length() >= MAX_PATH)
       shortcut_info_.description.resize(MAX_PATH - 1);
 
     for (size_t i = 0; i < shortcut_files_.size(); ++i) {
       base::win::ShortcutProperties shortcut_properties;
       shortcut_properties.set_target(shortcut_files_[i]);
       shortcut_properties.set_description(shortcut_info_.description);
@@ skipping 148 matching lines @@
   }
 
   // |info_list| may still be empty at this point, in which case LoadImage
   // will call the OnImageLoaded callback with an empty image and exit
   // immediately.
   extensions::ImageLoader::Get(profile)->LoadImagesAsync(&extension, info_list,
       base::Bind(&OnImageLoaded, shortcut_info, callback));
 }
 
 }  // namespace web_app