[M141] [a11y] Replace fatal 140 CHECK/NOTREACHED by non-fatal alternatives

Original change's description:
> [a11y] Replace fatal 140 CHECK/NOTREACHED by non-fatal alternatives
> 
> In CL:6062485, we added NOTREACHED(base::NotFatalUntil::M140) and
> CHECK(condition, base::NotFatalUntil::M140) in a few places across blink
> accessibility. Now that 140 is stable, we observe a spike of crashes
> caused by those now-fatal checks. Unfortunately, the person who added
> those checks isn't around anymore so the crashes are kinda meaningless
> right now. The crashes were meant to raise flags about issues in our
> serialization logic and create a sense of priority, but until this
> becomes a priority again and we assign someone to that, we should avoid
> crashes tabs in release builds.
> 
> Bug: 452392024
> Change-Id: Ie10412a708161a72983b308dfffe5534467b03cf
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7046819
> Auto-Submit: Benjamin Beaudry <benjamin.beaudry@microsoft.com>
> Reviewed-by: Lucas Radaelli <lucasradaelli@google.com>
> Commit-Queue: Benjamin Beaudry <benjamin.beaudry@microsoft.com>
> Cr-Commit-Position: refs/heads/main@{#1531735}

(cherry picked from commit ae919b6a000889f66091f44f4636ad073cb17a25)

Bug: 453647742,452392024
Change-Id: Ie10412a708161a72983b308dfffe5534467b03cf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7063912
Auto-Submit: Chrome Cherry Picker <chrome-cherry-picker@chops-service-accounts.iam.gserviceaccount.com>
Reviewed-by: Benjamin Beaudry <benjamin.beaudry@microsoft.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/7390@{#2667}
Cr-Branched-From: d481efce5eb300acbb896686676ebd0352a6f1db-refs/heads/main@{#1509326}
3 files changed
tree: 6e1f9e2cc72743bfb7ee2319e58b0cf39b7e5de2
  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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