Create blobs from Disk Cache entries.

storage/common/data_element.cc

 // 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.
 
 #include "storage/common/data_element.h"
 
 namespace storage {
 
 DataElement::DataElement()
     : type_(TYPE_UNKNOWN),
@@ skipping 28 matching lines @@
     const GURL& filesystem_url,
     uint64 offset, uint64 length,
     const base::Time& expected_modification_time) {
   type_ = TYPE_FILE_FILESYSTEM;
   filesystem_url_ = filesystem_url;
   offset_ = offset;
   length_ = length;
   expected_modification_time_ = expected_modification_time;
 }
 
+void DataElement::SetToDiskCacheEntryRange(uint64 offset, uint64 length) {
+  type_ = TYPE_DISK_CACHE_ENTRY;
+  offset_ = offset;
+  length_ = length;
+}
+
 }  // namespace storage