mozilla/pdf.js — pull request #2323 by waddlesplash (2012-10-29 15:06:09+00:00)
Title: Vectorize the logo

See title. Did the background by hand, and used "Trace Bitmap" to get the text in (used the high-res copy from https://bugzilla.mozilla.org/show_bug.cgi?id=668954#c8). All work done in Inkscape, hand-edited afterwards for size optimizations.