Cleanup: quota::HostQuotaCallback do not need to pass host and type as arguments

webkit/quota/quota_manager.h

 // Copyright (c) 2012 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 WEBKIT_QUOTA_QUOTA_MANAGER_H_
 #define WEBKIT_QUOTA_QUOTA_MANAGER_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 161 matching lines @@
   void SetTemporaryGlobalOverrideQuota(int64 new_quota,
                                        const QuotaCallback& callback);
 
   void GetPersistentHostQuota(const std::string& host,
                               const HostQuotaCallback& callback);
   void SetPersistentHostQuota(const std::string& host,
                               int64 new_quota,
                               const HostQuotaCallback& callback);
   void GetGlobalUsage(StorageType type, const GlobalUsageCallback& callback);
   void GetHostUsage(const std::string& host, StorageType type,
-                    const HostUsageCallback& callback);
+                    const UsageCallback& callback);
 
   void GetStatistics(std::map<std::string, std::string>* statistics);
 
   bool IsStorageUnlimited(const GURL& origin, StorageType type) const;
 
   bool IsInstalledApp(const GURL& origin) const {
     return special_storage_policy_.get() &&
            special_storage_policy_->IsInstalledApp(origin);
   }
 
@@ skipping 253 matching lines @@
 
   QuotaManager* manager_;  // only accessed on the io thread
   scoped_refptr<base::SingleThreadTaskRunner> io_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaManagerProxy);
 };
 
 }  // namespace quota
 
 #endif  // WEBKIT_QUOTA_QUOTA_MANAGER_H_