[Storage] Blob Storage Refactoring pt 1

storage/browser/fileapi/file_system_operation_runner.h

 // 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.
 
 #ifndef STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_RUNNER_H_
 #define STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_RUNNER_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 93 matching lines @@
 
   // Removes a file or directory at |url|. If |recursive| is true, remove
   // all files and directories under the directory at |url| recursively.
   OperationID Remove(const FileSystemURL& url, bool recursive,
                      const StatusCallback& callback);
 
   // Writes contents of |blob_url| to |url| at |offset|.
   // |url_request_context| is used to read contents in |blob|.
   OperationID Write(const net::URLRequestContext* url_request_context,
                     const FileSystemURL& url,
-                    scoped_ptr<storage::BlobDataHandle> blob,
+                    scoped_ptr<storage::BlobDataSnapshotHandle> blob,
                     int64 offset,
                     const WriteCallback& callback);
 
   // Truncates a file at |url| to |length|. If |length| is larger than
   // the original file size, the file will be extended, and the extended
   // part is filled with null bytes.
   OperationID Truncate(const FileSystemURL& url, int64 length,
                        const StatusCallback& callback);
 
   // Tries to cancel the operation |id| [we support cancelling write or
@@ skipping 188 matching lines @@
 
   // Callbacks for stray cancels whose target operation is already finished.
   std::map<OperationID, StatusCallback> stray_cancel_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemOperationRunner);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_RUNNER_H_