Support FileSystem URL in File object

webkit/blob/blob_storage_controller.h

 // Copyright (c) 2011 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_BLOB_BLOB_STORAGE_CONTROLLER_H_
 #define WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 32 matching lines @@
   typedef base::hash_map<std::string, scoped_refptr<BlobData> > BlobMap;
   typedef std::map<BlobData*, int> BlobDataUsageMap;
 
   void AppendStorageItems(BlobData* target_blob_data,
                           BlobData* src_blob_data,
                           uint64 offset,
                           uint64 length);
   void AppendFileItem(BlobData* target_blob_data,
                       const FilePath& file_path, uint64 offset, uint64 length,
                       const base::Time& expected_modification_time);
+  void AppendFileSystemFileItem(
+      BlobData* target_blob_data,
+      const GURL& url, uint64 offset, uint64 length,
+      const base::Time& expected_modification_time);
 
   bool RemoveFromMapHelper(BlobMap* map, const GURL& url);
 
   void IncrementBlobDataUsage(BlobData* blob_data);
   // Returns true if no longer in use.
   bool DecrementBlobDataUsage(BlobData* blob_data);
 
   BlobMap blob_map_;
   BlobMap unfinalized_blob_map_;
 
   // Used to keep track of how much memory is being utitlized for blob data,
   // we count only the items of TYPE_DATA which are held in memory and not
   // items of TYPE_FILE.
   int64 memory_usage_;
 
   // Multiple urls can refer to the same blob data, this map keeps track of
   // how many urls refer to a BlobData.
   BlobDataUsageMap blob_data_usage_count_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobStorageController);
 };
 
 }  // namespace webkit_blob
 
 #endif  // WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_