Add deletable file refs to Blobs

webkit/blob/blob_storage_controller.h

 // Copyright (c) 2010 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 "base/hash_tables.h"
 #include "base/process.h"
 #include "base/ref_counted.h"
 
 class GURL;
+class FilePath;
 
+namespace base {
+class Time;
+}
 namespace net {
 class UploadData;
 }
 
 namespace webkit_blob {
 
 class BlobData;
 
 // This class handles the logistics of blob Storage within the browser process.
 class BlobStorageController {
  public:
   BlobStorageController();
   ~BlobStorageController();
 
   void RegisterBlobUrl(const GURL& url, const BlobData* blob_data);
   void RegisterBlobUrlFrom(const GURL& url, const GURL& src_url);
   void UnregisterBlobUrl(const GURL& url);
   BlobData* GetBlobDataFromUrl(const GURL& url);
 
   // If there is any blob reference in the upload data, it will get resolved
   // and updated in place.
   void ResolveBlobReferencesInUploadData(net::UploadData* upload_data);
 
  private:
   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);
 
   typedef base::hash_map<std::string, scoped_refptr<BlobData> > BlobMap;
   BlobMap blob_map_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobStorageController);
 };
 
 }  // namespace webkit_blob
 
 #endif  // WEBKIT_BLOB_BLOB_STORAGE_CONTROLLER_H_