[DIPS] Add UKM metrics to Deletion event

This CL adds new metrics on an existing event while discarding the previous dummy metric.

This changes are meant to improve our analyses with better visibility
on what actions are actually taken on incidental parties
(DIPS-eligible sites for deletion).

Ex.: an actual deletion event will have a metric profile as follows,
- HasCookieException: 0
- IsDeletionEnabled: 1
- ShouldBlockThirdPartyCookies: 1

Approvals: http://doc/1mCgZBcpycw7UQAILeWya4_78UCpOj6yZjTuc7H0i3mc

Bug: 1445165
Change-Id: I3cda0630652a59b805ceb5ee54558318a9f02d61
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4541024
Commit-Queue: Jonathan Njeunje <njeunje@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Ben Kelly <wanderview@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1145964}
2 files changed
tree: 933795e11d2683b8b506480177acd861b6d135b9
  1. android_webview/
  2. apps/
  3. ash/
  4. base/
  5. build/
  6. build_overrides/
  7. buildtools/
  8. cc/
  9. chrome/
  10. chromecast/
  11. chromeos/
  12. codelabs/
  13. components/
  14. content/
  15. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia_web/
  22. gin/
  23. google_apis/
  24. google_update/
  25. gpu/
  26. headless/
  27. infra/
  28. ios/
  29. ipc/
  30. media/
  31. mojo/
  32. native_client_sdk/
  33. net/
  34. pdf/
  35. ppapi/
  36. printing/
  37. remoting/
  38. rlz/
  39. sandbox/
  40. services/
  41. skia/
  42. sql/
  43. storage/
  44. styleguide/
  45. testing/
  46. third_party/
  47. tools/
  48. ui/
  49. url/
  50. weblayer/
  51. .clang-format
  52. .clang-tidy
  53. .eslintrc.js
  54. .git-blame-ignore-revs
  55. .gitattributes
  56. .gitignore
  57. .gn
  58. .mailmap
  59. .rustfmt.toml
  60. .vpython3
  61. .yapfignore
  62. ATL_OWNERS
  63. AUTHORS
  64. BUILD.gn
  65. CODE_OF_CONDUCT.md
  66. codereview.settings
  67. DEPS
  68. DIR_METADATA
  69. LICENSE
  70. LICENSE.chromium_os
  71. OWNERS
  72. PRESUBMIT.py
  73. PRESUBMIT_test.py
  74. PRESUBMIT_test_mocks.py
  75. README.md
  76. WATCHLISTS
README.md

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