Reland of [ServiceWorkerCache] Implement storage::QuotaClient

content/browser/service_worker/service_worker_cache_storage.h

 // Copyright 2014 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_CACHE_STORAGE_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 31 matching lines @@
     CACHE_STORAGE_ERROR_STORAGE,
     CACHE_STORAGE_ERROR_CLOSING
   };
   typedef std::vector<std::string> StringVector;
   typedef base::Callback<void(bool, CacheStorageError)> BoolAndErrorCallback;
   typedef base::Callback<void(const scoped_refptr<ServiceWorkerCache>&,
                               CacheStorageError)> CacheAndErrorCallback;
   typedef base::Callback<void(const StringVector&, CacheStorageError)>
       StringsAndErrorCallback;
 
+  static const char kIndexFileName[];
+
   ServiceWorkerCacheStorage(
       const base::FilePath& origin_path,
       bool memory_only,
       base::SequencedTaskRunner* cache_task_runner,
       net::URLRequestContext* request_context,
-      base::WeakPtr<storage::BlobStorageContext> blob_context);
+      base::WeakPtr<storage::BlobStorageContext> blob_context,
+      const GURL& origin);
 
+  // Any unfinished asynchronous operations may not complete or call their
+  // callbacks.
   virtual ~ServiceWorkerCacheStorage();
 
   // Get the cache for the given key. If the cache is not found it is
   // created.
   void OpenCache(const std::string& cache_name,
                  const CacheAndErrorCallback& callback);
 
   // Calls the callback with whether or not the cache exists.
   void HasCache(const std::string& cache_name,
                 const BoolAndErrorCallback& callback);
 
   // Deletes the cache if it exists. If it doesn't exist,
   // CACHE_STORAGE_ERROR_NOT_FOUND is returned.
   void DeleteCache(const std::string& cache_name,
                    const BoolAndErrorCallback& callback);
 
   // Calls the callback with a vector of cache names (keys) available.
   void EnumerateCaches(const StringsAndErrorCallback& callback);
 
   // TODO(jkarlin): Add match() function.
 
+  void CloseAllCaches();
+
  private:
   class MemoryLoader;
   class SimpleCacheLoader;
   class CacheLoader;
 
   typedef std::map<std::string, base::WeakPtr<ServiceWorkerCache> > CacheMap;
 
   // Return a ServiceWorkerCache for the given name if the name is known. If the
   // ServiceWorkerCache has been deleted, creates a new one.
   scoped_refptr<ServiceWorkerCache> GetLoadedCache(
@@ skipping 50 matching lines @@
   scoped_ptr<CacheLoader> cache_loader_;
 
   base::WeakPtrFactory<ServiceWorkerCacheStorage> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerCacheStorage);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_