WIP Durable storage, chrome side

storage/browser/quota/quota_callbacks.h

 // Copyright 2013 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 STORAGE_BROWSER_QUOTA_QUOTA_CALLBACKS_H_
 #define STORAGE_BROWSER_QUOTA_QUOTA_CALLBACKS_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 13 matching lines @@
 // Common callback types that are used throughout in the quota module.
 typedef base::Callback<void(int64 usage,
                             int64 unlimited_usage)> GlobalUsageCallback;
 typedef base::Callback<void(QuotaStatusCode status, int64 quota)> QuotaCallback;
 typedef base::Callback<void(int64 usage)> UsageCallback;
 typedef base::Callback<void(QuotaStatusCode, int64)> AvailableSpaceCallback;
 typedef base::Callback<void(QuotaStatusCode)> StatusCallback;
 typedef base::Callback<void(const std::set<GURL>& origins,
                             StorageType type)> GetOriginsCallback;
 typedef base::Callback<void(const UsageInfoEntries&)> GetUsageInfoCallback;
+typedef base::Callback<void(QuotaStatusCode, bool)> GetDurabilityCallback;
 
 // Simple template wrapper for a callback queue.
 template <typename CallbackType, typename... Args>
 class CallbackQueue {
  public:
   // Returns true if the given |callback| is the first one added to the queue.
   bool Add(const CallbackType& callback) {
     callbacks_.push_back(callback);
     return (callbacks_.size() == 1);
   }
@@ skipping 56 matching lines @@
     queue.Run(base::internal::CallbackForward(args)...);
   }
 
  private:
   CallbackMap callback_map_;
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_QUOTA_QUOTA_TYPES_H_