Roll mini_chromium to 2b6cfa3
Roll mini_chromium to 2b6cfa3

2b6cfa3 fuchsia: fix implicit conversion issue

Change-Id: Idbcebe4c3b464c9758b61e3b21848b24b7b7317e
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2437943
Reviewed-by: Mark Mentovai <f1b5a91d4d6ad523f2610114591c007e75d15084@chromium.org>

chromium/crashpad,chromium/crashpad,chromium/crashpad