Use a direct include of utf_string_conversions.h in chrome/browser/, part 2.

chrome/browser/managed_mode/managed_user_refresh_token_fetcher.cc

 // Copyright 2013 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/managed_mode/managed_user_refresh_token_fetcher.h"
 
 #include "base/callback.h"
 #include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/string16.h"
 #include "base/stringprintf.h"
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/signin/oauth2_token_service.h"
 #include "google_apis/gaia/gaia_oauth_client.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "google_apis/gaia/oauth2_api_call_flow.h"
 #include "net/base/escape.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/http/http_status_code.h"
@@ skipping 253 matching lines @@
 // static
 scoped_ptr<ManagedUserRefreshTokenFetcher>
 ManagedUserRefreshTokenFetcher::Create(OAuth2TokenService* oauth2_token_service,
                                        URLRequestContextGetter* context) {
   scoped_ptr<ManagedUserRefreshTokenFetcher> fetcher(
       new ManagedUserRefreshTokenFetcherImpl(oauth2_token_service, context));
   return fetcher.Pass();
 }
 
 ManagedUserRefreshTokenFetcher::~ManagedUserRefreshTokenFetcher() {}