Point TODOs at newer bug

Bug: 1067752
Change-Id: Ib24d6e6542fc9a21e8105f8bcd9776ab34968ab7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2137542Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Auto-Submit: Arthur Eubanks <aeubanks@google.com>
Cr-Commit-Position: refs/heads/master@{#758285}

tools/clang/scripts/build.py

@@ -129,11 +129,7 @@ def CheckoutLLVM(commit, dir):
 
 
 def UrlOpen(url):
-  # Normally we'd use urllib, but on our bots it can't connect to the GitHub API
-  # due to using too old TLS (see crbug.com/897796#c56). As a horrible
-  # workaround, shell out to curl instead. It seems curl is recent enough on all
-  # our machines that it can connect. On Windows it's in our gnuwin package.
-  # TODO(crbug.com/965937): Use urllib once our Python is recent enough.
+  # TODO(crbug.com/1067752): Use urllib once certificates are fixed.
   return subprocess.check_output(['curl', '--silent', url])
 
 
@@ -396,7 +392,7 @@ def main():
 
   # The gnuwin package also includes curl, which is needed to interact with the
   # github API below.
-  # TODO(crbug.com/965937): Use urllib once our Python is recent enough, and
+  # TODO(crbug.com/1067752): Use urllib once certificates are fixed, and
   # move this down to where we fetch other build tools.
   AddGnuWinToPath()