[iOS] Deprecate traitCollectionDidChange in ContextualSheetVC

Since traitCollectionDidChange is deprecated in iOS 17
ContextualSheetViewController was updated to use the new alternative
system, registerForTraitChanges.

Fixed: 391363773
Change-Id: Idf1414fe3d5d20d50689adaf27ff2eaac37af7d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6191557
Reviewed-by: Robbie Gibson <rkgibson@google.com>
Commit-Queue: Daniel White <danieltwhite@google.com>
Cr-Commit-Position: refs/heads/main@{#1416226}
NOKEYCHECK=True
GitOrigin-RevId: d6558f42398288ccb4f28f705ccabc314abfdcab
2 files changed
tree: 1c22cb1ce5afb02d0eb500dbe5d76823327aa494
  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.