PDFFindController._requestMatchesCount
This is an unfortunate oversight on my part, which I stumbled upon when (locally) testing the `mozilla-central` follow-up patch necessary to enable the matches counter in the built-in PDF viewer.
EventBus
this.enhanceTextSelection
BaseViewer
Preferences
async
Promise
IL10n
OverlayManager
PDFFindBar.updateResultsCount
source
EventBus.dispatch
ViewHistory
findStatusIcon
PDFFindBar