DevTools: remove usage and quota getter from the protocol handler.

content/browser/devtools/protocol/usage_and_quota_query.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_DEVTOOLS_PROTOCOL_USAGE_AND_QUOTA_QUERY_H_
-#define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_USAGE_AND_QUOTA_QUERY_H_
-
-#include "content/browser/devtools/protocol/devtools_protocol_handler.h"
-#include "storage/browser/quota/quota_manager.h"
-
-namespace content {
-namespace devtools {
-namespace page {
-
-// This class can only be used on IO thread.
-class UsageAndQuotaQuery : public base::RefCounted<UsageAndQuotaQuery> {
- public:
-  using Callback =
-      base::Callback<void(scoped_refptr<QueryUsageAndQuotaResponse>)>;
-
-  UsageAndQuotaQuery(scoped_refptr<storage::QuotaManager> quota_manager,
-                     const GURL& security_origin,
-                     const Callback& callback);
-
- private:
-  friend class base::RefCounted<UsageAndQuotaQuery>;
-
-  using UsageItems = std::vector<scoped_refptr<UsageItem>>;
-
-  virtual ~UsageAndQuotaQuery();
-
-  void DidGetTemporaryQuota(storage::QuotaStatusCode status,
-                            int64 used_bytes,
-                            int64 quota_in_bytes);
-
-  void DidGetPersistentQuota(storage::QuotaStatusCode status, int64 value);
-
-  void GetHostUsage(UsageItems* list, storage::StorageType storage_type);
-
-  void GetUsageForClient(UsageItems* list,
-                         storage::StorageType storage_type,
-                         storage::QuotaClient::ID client_id,
-                         const std::string& client_name);
-
-  void DidGetUsageForClient(UsageItems* list,
-                            const std::string& client_name,
-                            int64 value);
-
-  scoped_refptr<storage::QuotaManager> quota_manager_;
-  GURL security_origin_;
-  Callback callback_;
-  double temporary_quota_;
-  double persistent_quota_;
-  UsageItems temporary_usage_;
-  UsageItems persistent_usage_;
-  UsageItems syncable_usage_;
-};
-
-}  // namespace page
-}  // namespace devtools
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_USAGE_AND_QUOTA_QUERY_H_