AI: expose executeJavaScript in AccessibilityAgent

This CL enables the AccessibilityAgent to execute JavaScript on the
inspected page, similar to the StylingAgent.

To support this, AgentOptions and CreateExtensionScopeFunction were
moved to a shared location in ExecuteJavascript.ts to avoid duplication.
The AccessibilityAgent now uses the document body as the default context
node ($0) for JavaScript execution.

Fixed: 496841464
Change-Id: I707d66c28e10c63c30db5c52d162229bd43f9c20
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7706066
Reviewed-by: Kim-Anh Tran <kimanh@chromium.org>
Commit-Queue: Jack Franklin <jacktfranklin@chromium.org>
4 files changed
tree: fb0824033a802098a180b4d1a62f1cb8417ce138
  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. WATCHLISTS
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