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The tooltip is only useful when the profile name or the gaia name is
long enough to be truncated.

This CL also fixes the flickering of the profile card container and
profile card cursor at the bottom of the card due to the gaia name
tooltip.

Fixed: 1169169
Change-Id: I106cde6aff8e26b895af6293e73776f45732ea6f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2642371Reviewed-by: Esmael Elmoslimany <aee@chromium.org>
Commit-Queue: Monica Basta <msalama@chromium.org>
Cr-Commit-Position: refs/heads/master@{#846233}