convert to https URIs everywhere

Also convert some old crosbug.com links to crbug.com.

BUG=None
TEST=precq passes

Change-Id: I248f2f9c5a2009541b7b90f9201ca69d37c7843d
Reviewed-on: https://chromium-review.googlesource.com/1162652
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Lann Martin <lannm@chromium.org>
diff --git a/scripts/cros_sdk.py b/scripts/cros_sdk.py
index b80c300..6217b8c 100644
--- a/scripts/cros_sdk.py
+++ b/scripts/cros_sdk.py
@@ -828,7 +828,7 @@
         'Are you in a Chromium source tree instead of Chromium OS?\n\n'
         'Please change to a directory inside your Chromium OS source tree\n'
         'and retry.  If you need to setup a Chromium OS source tree, see\n'
-        '  http://www.chromium.org/chromium-os/developer-guide')
+        '  https://dev.chromium.org/chromium-os/developer-guide')
 
   any_snapshot_operation = (options.snapshot_create or options.snapshot_restore
                             or options.snapshot_delete or options.snapshot_list)