Use utf_string_conversions header in more places.

chrome/browser/importer/nss_decryptor.cc

 // Copyright (c) 2009 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/importer/nss_decryptor.h"
 
 #include "base/scoped_ptr.h"
 #include "build/build_config.h"
 #include "chrome/common/sqlite_utils.h"
 
 #if defined(OS_LINUX)
 #include <pk11pub.h>
 #include <pk11sdr.h>
 #endif  // defined(OS_LINUX)
 
 #include "base/base64.h"
-#include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "webkit/glue/password_form.h"
 
 using webkit_glue::PasswordForm;
 
 // This method is based on some Firefox code in
 //   security/manager/ssl/src/nsSDR.cpp
 // The license block is:
 
 /* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
@@ skipping 260 matching lines @@
     // The user name, password and action.
     form.username_element = UTF8ToUTF16(s2.column_string(3));
     form.username_value = Decrypt(s2.column_string(5));
     form.password_element = UTF8ToUTF16(s2.column_string(4));
     form.password_value = Decrypt(s2.column_string(6));
     form.action = GURL(s2.column_string(2)).ReplaceComponents(rep);
     forms->push_back(form);
   }
   return true;
 }