[Extensions] Add remove button MV2 deprecation panel in disabled stage

Chrome has announced that MV2 extensions will gradually no longer be
supported in the browser. None of these changes will take effect on any
Chrome channel before June, 2024. See more information at
https://developer.chrome.com/blog/resuming-the-transition-to-mv3.

The second stage of the deprecation will disable unsupported MV2 extensions and has a user-visible notice in chrome://extensions. This CL
adds a remove button to the extension entry in the MV2 deprecation
panel. Button is only visible for the second stage.

Screencast:
https://drive.google.com/file/d/1uenY6YReRB5nP7IREYZruJHxlX49RKkG/view?usp=sharing

Bug: 339061151
Change-Id: If45c38dd77695bd7bda0242c840b4562d1ed9c9b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5669880
Commit-Queue: Emilia Paz <emiliapaz@chromium.org>
Reviewed-by: Kelvin Jiang <kelvinjiang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1322935}
9 files changed
tree: 17846c12c55419e281a2947d22e307cab28f5f0b
  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. webkit/
  51. .clang-format
  52. .clang-tidy
  53. .clangd
  54. .eslintrc.js
  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. DEPS
  72. DIR_METADATA
  73. LICENSE
  74. LICENSE.chromium_os
  75. OWNERS
  76. PRESUBMIT.py
  77. PRESUBMIT_test.py
  78. PRESUBMIT_test_mocks.py
  79. README.md
  80. WATCHLISTS
README.md

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