On the main thread call `driver.log` and the message will output in the terminal with the pdf id and the message. I've been using this a lot when trying to find certain PDFs or logging stats.
no-var
assert
test/resources/reftest-analyzer.js
test/stats/
class
test/add_test.js
length-zero-no-unit
verifyManifestFiles
"link": true
SimpleLinkService
textLayer
br