[RPP] Save source maps to trace metadata for enhanced traces

Also modify source map fetching in RPP to 1) never do it for non-fresh
traces and 2) ensure that the raw source map is always available for
purposes of saving to trace metadata (required a hack in SourceMap to
not unconditionally drop the raw payload).

Bug: 394373632
Change-Id: Icff6d0da8d66111e19ba9fd966c6ab5ab014262e
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6287830
Reviewed-by: Paul Irish <paulirish@chromium.org>
Commit-Queue: Connor Clark <cjamcl@chromium.org>
Auto-Submit: Connor Clark <cjamcl@chromium.org>
6 files changed
tree: 2201c573a830a7ddf0529bda5a75de4f9cd628b1
  1. .vscode/
  2. build_overrides/
  3. config/
  4. docs/
  5. extension-api/
  6. extensions/
  7. front_end/
  8. inspector_overlay/
  9. node_modules/
  10. scripts/
  11. test/
  12. third_party/
  13. v8/
  14. .clang-format
  15. .editorconfig
  16. .git-blame-ignore-revs
  17. .gitallowed
  18. .gitattributes
  19. .gitignore
  20. .gitmodules
  21. .gn
  22. .mailmap
  23. .npmignore
  24. .npmrc
  25. .style.yapf
  26. .stylelintignore
  27. .stylelintrc.json
  28. AUTHORS
  29. BUILD.gn
  30. codereview.settings
  31. CONTRIBUTING.md
  32. DEPS
  33. eslint.config.mjs
  34. favicon.ico
  35. LICENSE
  36. OWNERS
  37. package-lock.json
  38. package.json
  39. PRESUBMIT.py
  40. README.md
  41. tsconfig.json
  42. WATCHLISTS
README.md

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