commit 329b2777374694078f22fd12cd804954e72b1566
author Koji Ishii <kojii@chromium.org> Tue Jan 23 08:18:49 2018
committer Commit Bot <commit-bot@chromium.org> Tue Jan 23 08:18:49 2018
tree 6cb6c41a6bd36c0e5aa721b1ea751e600b834503
parent 1e510cfbf503466aa54943d16b97f84aecf3a828

[LayoutNG] Change form controls not to use LayoutNG

This patch changes most form controls not to use LayoutNG. Some
form controls are inline and can appear in LayoutNG inline
formatting context that we cannot disable all form controls.

This is done by adding an inherited flag in ComputedStyle at:
  rare_inherited_usage_less_than_40_percent_data_->
  rare_inherited_usage_less_than_40_percent_sub_data_
(field_group: '*' generates this as of ToT.)

Following elements force legacy layout:
  meter
  progress
  button
  select
  input
  textarea

Following form elements are not included:
  fieldset
  output

221 tests pass and 66 regressions, but most regressions are
"upgrade", where crashes turned to failures. Furhter investigation
will be in following patches.

Bug: 591099
Change-Id: Ife501c7b2a40fc77eb741ddef89601336ab4769f
Reviewed-on: https://chromium-review.googlesource.com/875511
Commit-Queue: Koji Ishii <kojii@chromium.org>
Reviewed-by: Emil A Eklund <eae@chromium.org>
Cr-Commit-Position: refs/heads/master@{#531181}