Author: Huong Nguyen
MDL-80447 repository_googledocs: Switch to use core/pubsub
http://git.moodle.org/gw?p=moodle.git;a=commit;h=962300597f5e7c67099fa2ae314f19da2a07e7ae
http://github.com/moodle/moodle/commit/962300597f5e7c67099fa2ae314f19da2a07e7ae
- 5.1 en [erroruploadfailed,core_repository]
- 5.1 en [uploadfilesdrop,core_repository]