GitLab

Add horizontal Japanese long-content perf test

We have vertical-japanese-kokoro-insert.html to test Japanese
content in vertical flow, but not for horizontal flow.

In order to test the performance of CJK text and vertical
flow separately, this patch adds the horizontal flow version
of the test.

Bug: 636993
Change-Id: Iac256490d6c52e89f6396da61a581752184b3575
Reviewed-on: https://chromium-review.googlesource.com/c/1253165Reviewed-by: Emil A Eklund <eae@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#596518}