[BlobAsync] Moving async handling into BlobStorageContext & quota out.

storage/browser/blob/blob_data_builder.h

 // Copyright (c) 2015 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_DATA_BUILDER_H_
 #define STORAGE_BROWSER_BLOB_BLOB_DATA_BUILDER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <ostream>
@@ skipping 26 matching lines @@
   using DataHandle = BlobDataItem::DataHandle;
   // Visible for testing.
   static base::FilePath GetFutureFileItemPath(uint64_t file_id);
 
   // Returns if the given item was created by AppendFutureFile.
   static bool IsFutureFileItem(const DataElement& element);
   // Returns |file_id| given to AppendFutureFile.
   static uint64_t GetFutureFileID(const DataElement& element);
 
   explicit BlobDataBuilder(const std::string& uuid);
+  BlobDataBuilder(BlobDataBuilder&&);
+  BlobDataBuilder& operator=(BlobDataBuilder&&);
   ~BlobDataBuilder();
 
   const std::string& uuid() const { return uuid_; }
 
   // Validates the data element that was sent over IPC, and copies the data if
   // it's a 'bytes' element. Data elements of BYTES_DESCRIPTION or
   // DISK_CACHE_ENTRY types are not valid IPC data element types, and cannot be
   // given to this method.
   void AppendIPCDataElement(const DataElement& ipc_data);
 
@@ skipping 142 matching lines @@
 }
 
 inline bool operator!=(const BlobDataBuilder& a, const BlobDataSnapshot& b) {
   return b != a;
 }
 
 #endif  // defined(UNIT_TEST)
 
 }  // namespace storage
 #endif  // STORAGE_BROWSER_BLOB_BLOB_DATA_BUILDER_H_