ReadOnUtilityThread   34 chrome/utility/media_galleries/ipc_data_source.cc       base::Bind(&IPCDataSource::ReadOnUtilityThread, base::Unretained(this),
ReadOnUtilityThread   54 chrome/utility/media_galleries/ipc_data_source.h   void ReadOnUtilityThread(int64 position, int size, uint8* data,