Implement `ConnectorsService::GetBrowserDmToken` on iOS

Having this public method will be required by the implementation of URLF
on iOS to implement
`RealTimeUrlLookupServiceBase::GetBrowserDMTokenString`.

Fixed: 370466578
Change-Id: Iceb823dbbfbaa09920e15fab91879ebd25a089fa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6242538
Auto-Submit: Dominique Fauteux-Chapleau <domfc@chromium.org>
Reviewed-by: Nancy Xiao <nancylanxiao@google.com>
Commit-Queue: Nancy Xiao <nancylanxiao@google.com>
Cr-Commit-Position: refs/heads/main@{#1417507}
NOKEYCHECK=True
GitOrigin-RevId: d9c9bbc4fecf90f3e45bf5bb016bad43dff67aad
3 files changed
tree: f543c6da36d0106fc232820c76222e4cda4a8a88
  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.