Remove wstring from TemplateURL and friends....

chrome/browser/instant/instant_loader.cc

Index: chrome/browser/instant/instant_loader.cc
===================================================================
--- chrome/browser/instant/instant_loader.cc	(revision 71269)
+++ chrome/browser/instant/instant_loader.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -504,7 +504,7 @@
       // TODO(sky): having to use a replaceable url is a bit of a hack here.
       GURL instant_url(
           template_url->instant_url()->ReplaceSearchTerms(
-              *template_url, std::wstring(), -1, std::wstring()));
+              *template_url, string16(), -1, string16()));
       CommandLine* cl = CommandLine::ForCurrentProcess();
       if (cl->HasSwitch(switches::kInstantURL))
         instant_url = GURL(cl->GetSwitchValueASCII(switches::kInstantURL));