[wpt/upgrade-insecure-requests] Fix generateRedirect()

|url| in generateRedirect() was string (not URL) and therefore
generateRedirect() returned the same URL (|url| as-is)
regardless of |host| or |protocol| parameters.

Bug: 906850, 878274
Change-Id: I7134726e916854a829eaf7d348776a2b7b547c70
Reviewed-on: https://chromium-review.googlesource.com/c/1389029
Reviewed-by: Mike West <mkwst@chromium.org>
Commit-Queue: Hiroshige Hayashizaki <hiroshige@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621013}
1 file changed