GitLab

The accessible alert while prompting the user for deep scanning is still
"Downloading, 0% remaining", which is jarring. This CL fixes that.

Bug: 1056350
Change-Id: I5e10dcc702c6bef8368492819ce67e432dd469b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2076429Reviewed-by: Xing Liu <xingliu@chromium.org>
Commit-Queue: Daniel Rubery <drubery@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745122}