[iOS] Add "New" Badge property for AI Hub View Controller

Creates a boolean that will be used to evaluate the initial badge
state for the AI Hub icon. To make this happen, we
created a pref to track how long the "new" badge state should exist
which is either 2 weeks from when the user first sees the FRE Promo or
when the user taps the icon in the "new" badge state. Whichever comes
first. This implementation is foundational work and adds no UI changes.
UI changes using this boolean will be added in a follow up CL.

Bug: 438956386
Change-Id: Ib86636cff4289bce1c4e592a119c9cd3afaacbd1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6862417
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Joemer Ramos <joemerramos@google.com>
Reviewed-by: Nicolas MacBeth <nicolasmacbeth@google.com>
Reviewed-by: Ibrahim Kanouche <kanouche@google.com>
Cr-Commit-Position: refs/heads/main@{#1505889}
7 files changed
tree: 5120affcb29087e663531ef5f6419fc479cab50a
  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
README.md

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