ServiceWorker: Fix matching registration info missing during shift-reload.

content/browser/service_worker/service_worker_provider_host.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_PROVIDER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 202 matching lines @@
   // Sets the worker thread id and flushes queued events.
   void SetReadyToSendMessagesToWorker(int render_thread_id);
 
   void AddMatchingRegistration(ServiceWorkerRegistration* registration);
   void RemoveMatchingRegistration(ServiceWorkerRegistration* registration);
 
   // An optimized implementation of [[Match Service Worker Registration]]
   // for current document.
   ServiceWorkerRegistration* MatchRegistration() const;
 
+  // Copy matched registrations from the old one for force-refresh generated

[falken, 2015/06/17 15:08:35]

"the old one" is vague here... "from the old ServiceWorkerProviderHost" is more
clear.

[xiang, 2015/06/19 07:43:24]

Done.

+  // document.
+  void CopyMatchingRegistrations();
+
   // Called when our controller has been terminated and doomed due to an
   // exceptional condition like it could no longer be read from the script
   // cache.
   void NotifyControllerLost();
 
  private:
   friend class ServiceWorkerProviderHostTest;
   friend class ServiceWorkerWriteToCacheJobTest;
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerWriteToCacheJobTest, Update_SameScript);
   FRIEND_TEST_ALL_PREFIXES(ServiceWorkerWriteToCacheJobTest,
@@ skipping 74 matching lines @@
   bool allow_association_;
 
   std::vector<base::Closure> queued_events_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_