Remove wstring from autocomplete.

chrome/browser/ui/views/frame/browser_root_view.cc

 // Copyright (c) 2011 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/views/frame/browser_root_view.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
@@ skipping 129 matching lines @@
                                        GURL* url) {
   if (!data.HasString())
     return false;
 
   std::wstring text;
   if (!data.GetString(&text) || text.empty())
     return false;
 
   AutocompleteMatch match;
   browser_view_->browser()->profile()->GetAutocompleteClassifier()->Classify(
-      text, std::wstring(), false, &match, NULL);
+      WideToUTF16Hack(text), string16(), false, &match, NULL);
   if (!match.destination_url.is_valid())
     return false;
 
   if (url)
     *url = match.destination_url;
   return true;
 }