Refactor Save Card Metrics (8/X).

This CL adds:
- Desktop specific save card metrics for the `Result` event.
- New enum SaveCardPromptResultDesktop and new function in
  credit_card_save_metrics_desktop.h to log desktop-specific detailed
  metrics.
- Entries in histograms.xml to allow only valid histograms to be
  shown on UMA.
- SaveCardBubbleController logs the new metrics

Histograms that will be logged against the outcomes represented by
enum autofill_metrics::SaveCardPromptResultDesktop:
- Autofill.SaveCreditCardPromptResult.Desktop.{Local, Server}
- Autofill.SaveCreditCardPromptResult.Desktop.{Local, Server}
  .{RequestingCardHolderName, RequestingExpirationDate, SavingWithCvc,
  UserHasNoCards, UserHasSavedCards, Aggregate}
- Autofill.SaveCreditCardPromptResult.Desktop.Server
  .{WithMultipleLegalLines, WithSameLastFourButDifferentExpiration}

go/save-card-metric-refactor

Bug: 430588721
Change-Id: I63a3ab1388ca56671714e4ffc4988e97ea4716b8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6806358
Reviewed-by: Olivia Saul <osaul@google.com>
Commit-Queue: Kavita Soni <kavitasoni@chromium.org>
Reviewed-by: Mohamed Amir Yosef <mamir@chromium.org>
Reviewed-by: Stephen McGruer <smcgruer@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1508325}
6 files changed
tree: 88b1c3964ccf03cfa3dce4108051b1b9bc3036b0
  1. .gemini/
  2. .github/
  3. agents/
  4. android_webview/
  5. apps/
  6. ash/
  7. base/
  8. build/
  9. build_overrides/
  10. buildtools/
  11. cc/
  12. chrome/
  13. chromecast/
  14. chromeos/
  15. codelabs/
  16. components/
  17. content/
  18. crypto/
  19. dbus/
  20. device/
  21. docs/
  22. extensions/
  23. fuchsia_web/
  24. gin/
  25. google_apis/
  26. gpu/
  27. headless/
  28. infra/
  29. ios/
  30. ipc/
  31. media/
  32. mojo/
  33. net/
  34. pdf/
  35. printing/
  36. remoting/
  37. rlz/
  38. sandbox/
  39. services/
  40. skia/
  41. sql/
  42. storage/
  43. styleguide/
  44. testing/
  45. third_party/
  46. tools/
  47. ui/
  48. url/
  49. webkit/
  50. .clang-format
  51. .clang-tidy
  52. .clangd
  53. .cursorignore
  54. .geminiignore
  55. .git-blame-ignore-revs
  56. .gitallowed
  57. .gitattributes
  58. .gitignore
  59. .gitmodules
  60. .gn
  61. .mailmap
  62. .rustfmt.toml
  63. .vpython3
  64. .yapfignore
  65. ATL_OWNERS
  66. AUTHORS
  67. BUILD.gn
  68. CODE_OF_CONDUCT.md
  69. codereview.settings
  70. CPPLINT.cfg
  71. CRYPTO_OWNERS
  72. DEPS
  73. DIR_METADATA
  74. LICENSE
  75. LICENSE.chromium_os
  76. OWNERS
  77. PRESUBMIT.py
  78. PRESUBMIT_test.py
  79. PRESUBMIT_test_mocks.py
  80. README.md
  81. SECURITY_OWNERS
  82. WATCHLISTS
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