Update includes and delete remaining strings forwarding headers.

google_apis/gaia/gaia_oauth_client.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.
 
 #include "google_apis/gaia/gaia_oauth_client.h"
 
 #include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/values.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/escape.h"
 #include "net/http/http_status_code.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace {
@@ skipping 307 matching lines @@
   return core_->GetUserEmail(access_token, max_retries, delegate);
 }
 
 void GaiaOAuthClient::GetTokenInfo(const std::string& access_token,
                                    int max_retries,
                                    Delegate* delegate) {
   return core_->GetTokenInfo(access_token, max_retries, delegate);
 }
 
 }  // namespace gaia