Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/webui/local_discovery/local_discovery_ui_handler.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/ui/webui/local_discovery/local_discovery_ui_handler.h"
 
 #include <set>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 543 matching lines @@
   SetupCloudPrintConnectorSection();
 }
 
 void LocalDiscoveryUIHandler::ShowCloudPrintSetupDialog(
     const base::ListValue* args) {
   content::RecordAction(
       base::UserMetricsAction("Options_EnableCloudPrintProxy"));
   // Open the connector enable page in the current tab.
   content::OpenURLParams params(cloud_devices::GetCloudPrintEnableURL(
                                     GetCloudPrintProxyService()->proxy_id()),
-                                content::Referrer(), CURRENT_TAB,
+                                content::Referrer(),
+                                WindowOpenDisposition::CURRENT_TAB,
                                 ui::PAGE_TRANSITION_LINK, false);
   web_ui()->GetWebContents()->OpenURL(params);
 }
 
 void LocalDiscoveryUIHandler::HandleDisableCloudPrintConnector(
     const base::ListValue* args) {
   content::RecordAction(
       base::UserMetricsAction("Options_DisableCloudPrintProxy"));
   GetCloudPrintProxyService()->DisableForUser();
 }
@@ skipping 36 matching lines @@
     service->RefreshStatusFromService();
 }
 
 CloudPrintProxyService* LocalDiscoveryUIHandler::GetCloudPrintProxyService() {
   return CloudPrintProxyServiceFactory::GetForProfile(
       Profile::FromWebUI(web_ui()));
 }
 #endif  // defined(CLOUD_PRINT_CONNECTOR_UI_AVAILABLE)
 
 }  // namespace local_discovery