[Application] Show the spell check custom dictionary in Frame details

Page script cannot readback words back from SpellCheckCustomDictionary.
Page.getSpellCheckCustomDictionary CDP command has been introduced at
crrev.com/c/8485946.

This CL adds the frontend support so developer can check the words added
in a "Spell check custom dictionary" section of the Frame details view.
The section is only shown when the frame's document has added words.
Nothing notifies DevTools when the page changes the dictionary, so the
view re-reads it when shown and has a refresh button.

Bug: 428005649
Change-Id: I3c36276041e2fcf1983bf9fbabe3f77dfd9a0f52
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/8495649
Commit-Queue: Kateryna Prokopenko <kprokopenko@chromium.org>
Reviewed-by: Kateryna Prokopenko <kprokopenko@chromium.org>
Reviewed-by: Danil Somsikov <dsv@chromium.org>
4 files changed
tree: fd45f49e3079471e351350c992f9aac9bd8bdf34
  1. .agents/
  2. .gemini/
  3. .github/
  4. .vscode/
  5. build_overrides/
  6. config/
  7. docs/
  8. extension-api/
  9. extensions/
  10. front_end/
  11. inspector_overlay/
  12. mcp/
  13. node_modules/
  14. scripts/
  15. test/
  16. third_party/
  17. v8/
  18. .clang-format
  19. .clang-format-ignore
  20. .editorconfig
  21. .env.template
  22. .geminiignore
  23. .git-blame-ignore-revs
  24. .gitallowed
  25. .gitattributes
  26. .gitignore
  27. .gitmodules
  28. .gn
  29. .mailmap
  30. .npmignore
  31. .npmrc
  32. .style.yapf
  33. .stylelintignore
  34. .stylelintrc.json
  35. AUTHORS
  36. BUILD.gn
  37. codereview.settings
  38. CONTRIBUTING.md
  39. DEPS
  40. DIR_METADATA
  41. eslint.config.mjs
  42. favicon.ico
  43. LICENSE
  44. OWNERS
  45. package-lock.json
  46. package.json
  47. PRESUBMIT.py
  48. README.md
  49. SECURITY.md
  50. WATCHLISTS
README.md

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