WebUI: Refactor components/flags_ui into components/webui/flags

Followup from refactoring recommended by components/ OWNER in
https://chromium-review.googlesource.com/c/chromium/src/+/6178599

no other changes

Bug: 379889249
Low-Coverage-Reason: LARGE_SCALE_REFACTOR Moving directory,
Change-Id: I53288d69e5d5b25a05c4cf8cdb43cdf190233483
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6219673
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Allen Bauer <kylixrd@chromium.org>
Reviewed-by: Bo Liu <boliu@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1416203}
NOKEYCHECK=True
GitOrigin-RevId: 422d5eb80c1ee199aaf98f07707e71449fb42d86
16 files changed
tree: 9880036e531f2de1d4edc91ad3591b6477081244
  1. build/
  2. chrome/
  3. components/
  4. google_internal/
  5. intents/
  6. net/
  7. public/
  8. testing/
  9. third_party/
  10. tools/
  11. web/
  12. web_view/
  13. .swift-format
  14. BUILD.gn
  15. COMMON_METADATA
  16. DEPS
  17. DIR_METADATA
  18. features.gni
  19. OWNERS
  20. PRESUBMIT.py
  21. PRESUBMIT_test.py
  22. README.md
README.md

This directory holds code related to Chrome for iOS. See this document for a description of the structure underneath this directory.