GitLab

The variations code uses "osname" as a URL parameter. While grepping for
"osname" I noticed we misspell "hostname" in a few places.

Bug: none
Change-Id: I2b058f2732e90b90d57a222907ff39dd77cf365b
Tbr: xiyuan@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2585653Reviewed-by: James Cook <jamescook@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#835892}