Make Service Worker DB UserData methods accept multiple keys at once

content/browser/service_worker/service_worker_context_wrapper.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_CONTEXT_WRAPPER_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 136 matching lines @@
   //    activated.
   //
   // Must be called from the IO thread.
   void FindReadyRegistrationForId(int64_t registration_id,
                                   const GURL& origin,
                                   const FindRegistrationCallback& callback);
 
   // All these methods must be called from the IO thread.
   void GetAllRegistrations(const GetRegistrationsInfosCallback& callback);
   void GetRegistrationUserData(int64_t registration_id,
-                               const std::string& key,
+                               const std::vector<std::string>& keys,
                                const GetUserDataCallback& callback);
-  void StoreRegistrationUserData(int64_t registration_id,
-                                 const GURL& origin,
-                                 const std::string& key,
-                                 const std::string& data,
-                                 const StatusCallback& callback);
+  void StoreRegistrationUserData(
+      int64_t registration_id,
+      const GURL& origin,
+      const std::vector<std::pair<std::string, std::string>>& key_value_pairs,
+      const StatusCallback& callback);
   void ClearRegistrationUserData(int64_t registration_id,
-                                 const std::string& key,
+                                 const std::vector<std::string>& keys,
                                  const StatusCallback& callback);
   void GetUserDataForAllRegistrations(
       const std::string& key,
       const GetUserDataForAllRegistrationsCallback& callback);
 
   // This function can be called from any thread, but the callback will always
   // be called on the UI thread.
   void StartServiceWorker(const GURL& pattern, const StatusCallback& callback);
 
   // These methods can be called from any thread.
@@ skipping 73 matching lines @@
   ResourceContext* resource_context_;
 
   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextWrapper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_