CopyFileProgressCallback   83 webkit/browser/fileapi/async_file_util.h   typedef base::Callback<void(int64 size)> CopyFileProgressCallback;
CopyFileProgressCallback  210 webkit/browser/fileapi/file_system_operation.h   typedef base::Callback<void(int64 size)> CopyFileProgressCallback;
CopyFileProgressCallback   48 webkit/browser/fileapi/file_system_operation_runner.h       CopyFileProgressCallback;