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This adds a new UrlFormatter.formatUrlForDisplayWithNormalEscaping()
function, and uses it in the Android PageInfoPopup to make its URL
display correctly de-punycode URLs that are safe to convert back to
Unicode for display.

This also adds url_formatter unittests for the specific usage of
FormatUrl that the new function uses under a variety of URL
conditions.

Bug: 818839
Change-Id: Id0f50a6a37be7309c684ef180acc78f84895d729
Reviewed-on: https://chromium-review.googlesource.com/1015229
Commit-Queue: Christopher Thompson <cthomp@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Emily Stark <estark@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#554611}