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

content/browser/service_worker/service_worker_quota_client.h

Index: content/browser/service_worker/service_worker_quota_client.h
diff --git a/content/browser/service_worker/service_worker_quota_client.h b/content/browser/service_worker/service_worker_quota_client.h
deleted file mode 100644
index 7b69b45c38737ede03e32821adfbef08d6d585f7..0000000000000000000000000000000000000000
--- a/content/browser/service_worker/service_worker_quota_client.h
+++ /dev/null
@@ -1,49 +0,0 @@
-// 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_QUOTA_CLIENT_H_
-#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_
-
-#include "base/memory/ref_counted.h"
-#include "content/common/content_export.h"
-#include "storage/browser/quota/quota_client.h"
-
-namespace content {
-class ServiceWorkerContextWrapper;
-
-class ServiceWorkerQuotaClient : public storage::QuotaClient {
- public:
-  virtual ~ServiceWorkerQuotaClient();
-
-  // QuotaClient method overrides
-  virtual ID id() const override;
-  virtual void OnQuotaManagerDestroyed() override;
-  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:
-  friend class ServiceWorkerContextWrapper;
-  friend class ServiceWorkerQuotaClientTest;
-
-  CONTENT_EXPORT explicit ServiceWorkerQuotaClient(
-      ServiceWorkerContextWrapper* context);
-
-  scoped_refptr<ServiceWorkerContextWrapper> context_;
-
-  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerQuotaClient);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_