[BlobStorage] Implementing disk.

storage/browser/blob/blob_memory_controller.h

 // Copyright 2016 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_BLOB_BLOB_MEMORY_CONTROLLER_H_
 #define STORAGE_BROWSER_BLOB_BLOB_MEMORY_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 85 matching lines @@
 
    protected:
     virtual ~QuotaAllocationTask();
   };
 
   // The bool argument is true if we successfully received memory quota.
   using MemoryQuotaRequestCallback = base::Callback<void(bool)>;
   // The bool argument is true if we successfully received file quota, and the
   // vector argument provides the file info.
   using FileQuotaRequestCallback =
-      base::Callback<void(bool, std::vector<FileCreationInfo>)>;
+      base::Callback<void(std::vector<FileCreationInfo>, bool)>;
 
   // We enable file paging if |file_runner| isn't a nullptr.
   BlobMemoryController(const base::FilePath& storage_directory,
                        scoped_refptr<base::TaskRunner> file_runner);
   ~BlobMemoryController();
 
   // Disables file paging. This cancels all pending file creations and paging
   // operations. Reason is recorded in UMA.
   void DisableFilePaging(base::File::Error reason);
 
@@ skipping 126 matching lines @@
   // another blob successfully grabs a ref, we can prevent it from adding the
   // item to the recent_item_cache_ above.
   std::unordered_set<uint64_t> items_paging_to_file_;
 
   base::WeakPtrFactory<BlobMemoryController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobMemoryController);
 };
 }  // namespace storage
 #endif  // STORAGE_BROWSER_BLOB_BLOB_MEMORY_CONTROLLER_H_