ServiceWorker: Make claim() uses living matching registrations instead of fetching from DB.

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 <map>
 #include <set>
 #include <string>
@@ skipping 378 matching lines @@
   void OnFocusClientFinished(int request_id,
                              const std::string& client_uuid,
                              const ServiceWorkerClientInfo& client);
 
   void DidEnsureLiveRegistrationForStartWorker(
       bool pause_after_download,
       const StatusCallback& callback,
       ServiceWorkerStatusCode status,
       const scoped_refptr<ServiceWorkerRegistration>& protect);
   void DidSkipWaiting(int request_id);
-  void DidClaimClients(int request_id, ServiceWorkerStatusCode status);
   void DidGetClients(
       int request_id, const std::vector<ServiceWorkerClientInfo>& clients);
 
   // The timeout timer periodically calls OnTimeoutTimer, which stops the worker
   // if it is excessively idle or unresponsive to ping.
   void StartTimeoutTimer();
   void StopTimeoutTimer();
   void OnTimeoutTimer();
 
   // The ping protocol is for terminating workers that are taking excessively
@@ skipping 66 matching lines @@
   scoped_ptr<net::HttpResponseInfo> main_script_http_info_;
 
   base::WeakPtrFactory<ServiceWorkerVersion> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerVersion);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_