Added quota client for serviceworker. Enables 'clear past <time> data'.

content/browser/service_worker/service_worker_quota_client.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_QUOTA_CLIENT_H_
-#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_QUOTA_CLIENT_H_
+#ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_
+#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_
 
-#include "base/memory/weak_ptr.h"
+#include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "storage/browser/quota/quota_client.h"
 #include "storage/common/quota/quota_types.h"
 
-namespace storage {
-class QuotaManagerProxy;
-}
+namespace content {
+class ServiceWorkerContextWrapper;
 
-namespace content {
-class ServiceWorkerCacheStorageManager;
+class ServiceWorkerQuotaClient : public storage::QuotaClient {
+ public:
+  virtual ~ServiceWorkerQuotaClient();
 
-// ServiceWorkerCacheQuotaClient is owned by the QuotaManager. There is one per
-// ServiceWorkerCacheStorageManager, and therefore one per
-// ServiceWorkerContextCore.
-class CONTENT_EXPORT ServiceWorkerCacheQuotaClient
-    : public storage::QuotaClient {
- public:
-  explicit ServiceWorkerCacheQuotaClient(
-      base::WeakPtr<ServiceWorkerCacheStorageManager> cache_manager);
-  virtual ~ServiceWorkerCacheQuotaClient();
-
-  // QuotaClient overrides
+  // QuotaClient method overrides
   virtual ID id() const override;
   virtual void OnQuotaManagerDestroyed() override;
-  virtual void GetOriginUsage(const GURL& origin_url,
+  virtual void GetOriginUsage(const GURL& origin,
                               storage::StorageType type,
                               const GetUsageCallback& callback) override;
   virtual void GetOriginsForType(storage::StorageType type,
                                  const GetOriginsCallback& callback) override;
   virtual void GetOriginsForHost(storage::StorageType type,
                                  const std::string& host,
                                  const GetOriginsCallback& callback) override;
   virtual void DeleteOriginData(const GURL& origin,
                                 storage::StorageType type,
                                 const DeletionCallback& callback) override;
   virtual bool DoesSupport(storage::StorageType type) const override;
 
  private:
-  base::WeakPtr<ServiceWorkerCacheStorageManager> cache_manager_;
+  friend class ServiceWorkerContextWrapper;
+  friend class ServiceWorkerQuotaClientTest;
 
-  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerCacheQuotaClient);
+  CONTENT_EXPORT explicit ServiceWorkerQuotaClient(
+      ServiceWorkerContextWrapper* context);
+
+  scoped_refptr<ServiceWorkerContextWrapper> context_;
+
+  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerQuotaClient);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_QUOTA_CLIENT_H_
+#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_