GetMTPDeviceDelegate 35 chrome/browser/media_galleries/fileapi/device_media_async_file_util.cc MTPDeviceAsyncDelegate* GetMTPDeviceDelegate(const FileSystemURL& url) { GetMTPDeviceDelegate 25 chrome/browser/media_galleries/fileapi/mtp_file_stream_reader.cc MTPDeviceAsyncDelegate* GetMTPDeviceDelegate(