Fix uncleared highlight in search engine settings.

Search Engine settings has some early returns in its overriden method
"tableView:didSelectRowAtIndexPath:" that may cause uncleared highlight.

Bug: 914303
Change-Id: I86aa12169266ddada77668e5aa2739afcb775462
Reviewed-on: https://chromium-review.googlesource.com/c/1377432
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Yi Su <mrsuyi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616631}
1 file changed