[Payments] Implement openWindow for service worker based payment handler

content/browser/service_worker/service_worker_version.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 
 #include <stdint.h>
 
 #include <functional>
@@ skipping 566 matching lines @@
 
   // Message handlers.
 
   // This corresponds to the spec's get(id) steps.
   void OnGetClient(int request_id, const std::string& client_uuid);
 
   // This corresponds to the spec's matchAll(options) steps.
   void OnGetClients(int request_id,
                     const ServiceWorkerClientQueryOptions& options);
 
-  void OnOpenWindow(int request_id, GURL url);
+  void OnOpenWindow(int request_id, GURL redirect_url, GURL url_to_open);
   void OnOpenWindowFinished(int request_id,
                             ServiceWorkerStatusCode status,
                             const ServiceWorkerClientInfo& client_info);
 
   void OnSetCachedMetadata(const GURL& url, const std::vector<char>& data);
   void OnSetCachedMetadataFinished(int64_t callback_id, int result);
   void OnClearCachedMetadata(const GURL& url);
   void OnClearCachedMetadataFinished(int64_t callback_id, int result);
 
   void OnPostMessageToClient(
@@ skipping 230 matching lines @@
 
   // At this point |this| can have been deleted, so don't do anything other
   // than returning.
 
   return true;
 }
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_