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The feature was landed a while ago. This CL adds missing browsertests.

Bug: 922683
Change-Id: I798bcea5acee34c55c887464509684827a05b6eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2103442Reviewed-by: Sahel Sharify <sahel@chromium.org>
Commit-Queue: Danyao Wang <danyao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751150}