pdf: Add placeholder strings in case form saving is not available

Bug: 902646
Change-Id: I445c807725f5fef4bc987be9759dd346fdf55c06
Reviewed-on: https://chromium-review.googlesource.com/c/1482355
Commit-Queue: dstockwell <dstockwell@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: dstockwell <dstockwell@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#634555}
1 file changed