GitLab

Move the tests for the clear browsing data dialog to a separate file,
since this element and its children live in
c/b/r/settings/clear_browsing_data_dialog, not in the privacy_page
folder.

Also adding an import for a dependency that wasn't imported correctly
before.

Bug: 1026426
Change-Id: Icaaba7ac9c361f25f6c6fbcecc45132cc81f2c9e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2085695
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: dpapad <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#746894}