1995eaton/chromium-vim — pull request #165 by mrmr1993 (2014-11-29 21:48:25+00:00)
Title: Change from stopPropagation to stopImmediatePropagation

This ensures that the current event listener is the absolute last fired for this event. Previously, an event listener bound on the same object would also be fired, even after calling `stopPropagation`.

This could be seen on reddit using the Reddit Enhancement Suite extension with keyboard shortcuts enabled.