Like caps2esc, but for Chrome OS.

1. Set Launcher to Control in chrome://settings/keyboard-overlay
2. Enable the Developer mode switch in the top right of chrome://extensions
3. Press the Load unpacked button and select the ctrl2esc folder
4. Press Input method -> Manage input methods and select ctrl2esc in chrome://settings/languages
5. Enable Show input options in the shelf
6. Select EN ctrl2esc in the Chrome OS shelf, near the notifications

Custom IME's are not supported with Linux apps yet. Luckily, the ctrl2esc remapping functionality can be replicated in Linux using xcape using the following command: xcape -e 'Control_L=Escape'. This currently only works with X11 apps (no wayland support) Please let me know if you find a way to remap this key in wayland!