Implement EmbeddedWorkerContextClient.setCachedMetadata/clearCachedMetadata

content/browser/service_worker/service_worker_storage.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_STORAGE_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_STORAGE_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 21 matching lines @@
 class QuotaManagerProxy;
 class SpecialStoragePolicy;
 }
 
 namespace content {
 
 class ServiceWorkerContextCore;
 class ServiceWorkerDiskCache;
 class ServiceWorkerRegistration;
 class ServiceWorkerRegistrationInfo;
+class ServiceWorkerResponseMetadataWriter;
 class ServiceWorkerResponseReader;
 class ServiceWorkerResponseWriter;
 
 // This class provides an interface to store and retrieve ServiceWorker
 // registration data.
 class CONTENT_EXPORT ServiceWorkerStorage
     : NON_EXPORTED_BASE(public ServiceWorkerVersion::Listener) {
  public:
   typedef std::vector<ServiceWorkerDatabase::ResourceRecord> ResourceList;
   typedef base::Callback<void(ServiceWorkerStatusCode status)> StatusCallback;
@@ skipping 85 matching lines @@
   // version is live, its script resources will remain available.
   // PurgeResources should be called when it's OK to delete them.
   void DeleteRegistration(int64 registration_id,
                           const GURL& origin,
                           const StatusCallback& callback);
 
   scoped_ptr<ServiceWorkerResponseReader> CreateResponseReader(
       int64 response_id);
   scoped_ptr<ServiceWorkerResponseWriter> CreateResponseWriter(
       int64 response_id);
+  scoped_ptr<ServiceWorkerResponseMetadataWriter> CreateResponseMetadataWriter(
+      int64 response_id);
 
   // Adds |id| to the set of resources ids that are in the disk
   // cache but not yet stored with a registration.
   void StoreUncommittedResponseId(int64 id);
 
   // Removes |id| from uncommitted list, adds it to the
   // purgeable list and purges it.
   void DoomUncommittedResponse(int64 id);
 
   // Compares only the response bodies.
@@ skipping 324 matching lines @@
   std::set<int64> pending_deletions_;
 
   base::WeakPtrFactory<ServiceWorkerStorage> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerStorage);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_STORAGE_H_