Add utf_string_conversions to base namespace.

chrome/installer/setup/uninstall.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.
 //
 // This file defines the methods useful for uninstalling Chrome.
 
 #include "chrome/installer/setup/uninstall.h"
 
 #include <windows.h>
 
@@ skipping 173 matching lines @@
 void ClearRlzProductState() {
   const rlz_lib::AccessPoint points[] = {rlz_lib::CHROME_OMNIBOX,
                                          rlz_lib::CHROME_HOME_PAGE,
                                          rlz_lib::NO_ACCESS_POINT};
 
   rlz_lib::ClearProductState(rlz_lib::CHROME, points);
 
   // If chrome has been reactivated, clear all events for this brand as well.
   string16 reactivation_brand_wide;
   if (GoogleUpdateSettings::GetReactivationBrand(&reactivation_brand_wide)) {
-    std::string reactivation_brand(WideToASCII(reactivation_brand_wide));
+    std::string reactivation_brand(base::WideToASCII(reactivation_brand_wide));
     rlz_lib::SupplementaryBranding branding(reactivation_brand.c_str());
     rlz_lib::ClearProductState(rlz_lib::CHROME, points);
   }
 }
 
 // Decides whether setup.exe and the installer archive should be removed based
 // on the original and installer states:
 // * non-multi product being uninstalled: remove both
 // * any multi product left besides App Host: keep both
 // * only App Host left: keep setup.exe
@@ skipping 1214 matching lines @@
     // deletion unconditionally. If they are not empty, the session manager
     // will not delete them on reboot.
     ScheduleParentAndGrandparentForDeletion(target_path);
   } else if (DeleteApplicationProductAndVendorDirectories(target_path) ==
              installer::DELETE_FAILED) {
     *uninstall_status = installer::UNINSTALL_FAILED;
   }
 }
 
 }  // namespace installer