Convert editing/paste-text-019.html to use w3c test harness
This patch converts "editing/paste-text-019.html" to use w3c
test harness to simplify test files and rename to
"paste_text_with_text_transform.html" to denote what this test file does.
This patch is a preparation of getting rid of grammar checking feature.
BUG=
619452
TEST=n/a; this patch changes a test file
Committed:
https://crrev.com/6e13298a71480fed7befb5bc0574b9964c385354
Cr-Commit-Position: refs/heads/master@{#408060}