Done 16 -> 17: some CEC remote custom mappings stopped working

(Thought this initially to be a libreelec issue, but it seems it is kodi-related. So please, do spare me for the double-post).

I’m using a custom remote.xml file on RPi2 on my Sony tv, plus a couple of boxes for friends and family.

CEC remote file ~/.kodi/userdata/keymaps/remote.xml : http://sprunge.us/ibeS

I do not use any other customizations. This custom remote file adds some things for CEC remotes like:
* pressing blue during playback to download subs,
* pressing red to display the context menus while in movie/episode view
* pressing green to pop-up the information window (story, actors, plot etc)

This remote.xml has been used without a single change from the days of OpenELEC 6.x. It worked perfectly after the ugprade to LE 7.x. Problem is that the two last bindings have stopped in LE 8.

dmesg output: http://sprunge.us/fJYc

Checking the log, I can see that there are certain errors with when referring some windows:

Code:
14:32:35.376 T:1962604672    INFO: load keymapping
14:32:35.383 T:1962604672    INFO: Loading special://xbmc/system/keymaps/appcommand.xml
14:32:35.384 T:1962604672    INFO: Loading special://xbmc/system/keymaps/customcontroller.AppleRemote.xml
14:32:35.390 T:1962604672    INFO: Loading special://xbmc/system/keymaps/customcontroller.Harmony.xml
14:32:35.402 T:1962604672    INFO: Loading special://xbmc/system/keymaps/gamepad.xml
14:32:35.416 T:1962604672    INFO: Loading special://xbmc/system/keymaps/joystick.xml
14:32:35.427 T:1962604672    INFO: Loading special://xbmc/system/keymaps/keyboard.xml
14:32:35.460 T:1962604672    INFO: Loading special://xbmc/system/keymaps/mouse.xml
14:32:35.463 T:1962604672    INFO: Loading special://xbmc/system/keymaps/remote.xml
14:32:35.495 T:1962604672    INFO: Loading special://xbmc/system/keymaps/touchscreen.xml
14:32:35.503 T:1962604672    INFO: Loading special://masterprofile/keymaps/remote.xml
14:32:35.510 T:1962604672   ERROR: Window Translator: Can't find window videolibrary
14:32:35.510 T:1962604672   ERROR: Window Translator: Can't find window videofiles
14:32:35.512 T:1962604672   ERROR: Remote Translator: Can't find button i
14:32:35.514 T:1962604672   ERROR: Window Translator: Can't find window musicfiles
14:32:35.514 T:1962604672   ERROR: Window Translator: Can't find window musiclibrary
14:32:35.514 T:1962604672   ERROR: Window Translator: Can't find window files
14:32:35.518 T:1962604672    INFO: Loading special://profile/keymaps/remote.xml
14:32:35.523 T:1962604672   ERROR: Window Translator: Can't find window videolibrary
14:32:35.524 T:1962604672   ERROR: Window Translator: Can't find window videofiles
14:32:35.525 T:1962604672   ERROR: Remote Translator: Can't find button i
14:32:35.527 T:1962604672   ERROR: Window Translator: Can't find window musicfiles
14:32:35.527 T:1962604672   ERROR: Window Translator: Can't find window musiclibrary
14:32:35.527 T:1962604672   ERROR: Window Translator: Can't find window files
14:32:35.529 T:1962604672    INFO: Loading special://xbmc/system/Lircmap.xml
14:32:35.539 T:1962604672    INFO: * Adding remote mapping for device 'mceusb'

Specifically, references to windows videolibrary, videofiles, musicfiles, musiclibrary, files, are all broken. Also, a reference to remote key “i” seems to also be broken. I’ve managed to find this thread here https://forum.kodi.tv/showthread.php?tid=285506 that signifies that during Kodi 17 development, certain things changed, breaking the functionality of my custom remote.xml.

Where can I find the new names for these windows ( videolibrary, videofiles, musicfiles, musiclibrary, files)?

22:36:10.010 T:139937300071680 ERROR: Window Translator: Can’t find window videolibrary
22:36:10.010 T:139937300071680 ERROR: Window Translator: Can’t find window videofiles
22:36:10.010 T:139937300071680 ERROR: Remote Translator: Can’t find button i
22:36:10.010 T:139937300071680 ERROR: Window Translator: Can’t find window musicfiles
22:36:10.010 T:139937300071680 ERROR: Window Translator: Can’t find window musiclibrary
22:36:10.010 T:139937300071680 ERROR: Window Translator: Can’t find window files