GitLab

Currently in site details page, the focus will be lost after closing the
confirming dialog for clear data and reset settings. This CL fixes this
issue.

BUG=924943,835712

Change-Id: Ia83234f49a25fca0672f3fbe503e620d1002eead
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1496402Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Maggie Cai <mxcai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#637864}