GitLab

Remove unused TabGridIphItemTest

After http://crrev.com/c/2026380, TabGridIphItemTest is no longer in
use. This CL removes this test class.

Bug: 1002678
Change-Id: I00e7cfaca83ec42d45143ef70eef31bc837ba670
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2076079
Commit-Queue: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Auto-Submit: Yue Zhang <yuezhanggg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#744878}