[iOS] Make trim (ts utils) robust to null string

Bug: 393926208
Change-Id: I8ef3e342fadf886d3fa9faccb7dd5af93d037fad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6245238
Reviewed-by: Mike Dougherty <michaeldo@chromium.org>
Commit-Queue: Tommy Martino <tmartino@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1417591}
NOKEYCHECK=True
GitOrigin-RevId: bd032b7bd849142e365be5c2d6a0fcf5495cab04
2 files changed
tree: b3bd18285c13cfcbede6d81bb209f7db91a1df1a
  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.