[LayoutNG] Rebaseline fast/forms/*

Following recent failures are from r603783 (CL:1304180) that
changed the base expectations.
  fast/forms/access-key.html
  fast/forms/focus-selection-input.html
  fast/forms/focus-selection-textarea.html

Taken from build 11225>

TBR=eae@chromium.org, mstensho@chromium.org
NOTRY=true

Bug: 591099
Change-Id: I57acf3fbd593886dc197e6b57c5f70d545b91be9
Reviewed-on: https://chromium-review.googlesource.com/c/1307953
Reviewed-by: Koji Ishii <kojii@chromium.org>
Commit-Queue: Koji Ishii <kojii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#603918}
4 files changed