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Previously, tabs would always get removed from the group and moved to
the end of the tab group. This change results in the tab moving the
minimum distance when removing from the group.

Bug: 1038362
Change-Id: I513b4e6d97ec847d200cdec0c54f64745cab4191
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1986922
Commit-Queue: Charlene Yan <cyan@chromium.org>
Reviewed-by: Peter Boström <pbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#728377}