Test tidying: use "escape" and "backspace" with eventSender.keyDown()

R=keishi@chromium.org,yosin@chromium.org
BUG=392517
NOTRY=true

Review URL: https://codereview.chromium.org/484353004

git-svn-id: svn://svn.chromium.org/blink/trunk@180765 bbb929c8-8fbe-4397-9dbb-9b2b20218538
55 files changed
tree: e7281f9dd3dd61006116558fd0c21d1698eb4d34
  1. third_party/