[js-code-coverage] Separate coverage packages from WebUI

WebUI npm packages contain modules which are used to build source code
that will eventually end up in the Chrome binary. The code coverage
packages perform post processing and contain a large number of transient
dependencies that are not beneficial to have in every developers
checkout.

This splits them into two package.json's with their own update shell
scripts. Developers working on or wanting code coverage can add the
checkout_js_coverage_modules: True custom var to their .gclient file and
the relevant bots which perform coverage will do the same.

The following packages have been added for JS code coverage:
- istanbuljs/v8-to-istanbul v7.1.2
- mozilla/source-map v0.7.3
- istanbuljs/nyc v15.1.0

These have been approved for usage by chrome-eng-review:
https://groups.google.com/a/google.com/g/chrome-eng-review/c/l10lJSzM704/m/AjEk9QP0CQAJ

Bug: 1211595
Test: Add .gclient var as True and False and ensure modules downloaded.
Test: ./update_npm_deps
Change-Id: I8b01776cb6cfdda8261074d347c37e4def923229
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2945263
Commit-Queue: Ben Reich <[email protected]>
Reviewed-by: dpapad <[email protected]>
Reviewed-by: Tibor Goldschwendt <[email protected]>
Reviewed-by: Kentaro Hara <[email protected]>
Cr-Commit-Position: refs/heads/master@{#895010}
12 files changed
tree: 4c11cd31d6fcb79c1c17d9147f636149f944dd00
  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. cloud_print/
  13. codelabs/
  14. components/
  15. content/
  16. courgette/
  17. crypto/
  18. dbus/
  19. device/
  20. docs/
  21. extensions/
  22. fuchsia/
  23. gin/
  24. google_apis/
  25. google_update/
  26. gpu/
  27. headless/
  28. infra/
  29. ios/
  30. ipc/
  31. jingle/
  32. media/
  33. mojo/
  34. native_client_sdk/
  35. net/
  36. pdf/
  37. ppapi/
  38. printing/
  39. remoting/
  40. rlz/
  41. sandbox/
  42. services/
  43. skia/
  44. sql/
  45. storage/
  46. styleguide/
  47. testing/
  48. third_party/
  49. tools/
  50. ui/
  51. url/
  52. weblayer/
  53. .clang-format
  54. .clang-tidy
  55. .eslintrc.js
  56. .git-blame-ignore-revs
  57. .gitattributes
  58. .gitignore
  59. .gn
  60. .mailmap
  61. .vpython
  62. .vpython3
  63. .yapfignore
  64. AUTHORS
  65. BUILD.gn
  66. CODE_OF_CONDUCT.md
  67. codereview.settings
  68. DEPS
  69. DIR_METADATA
  70. ENG_REVIEW_OWNERS
  71. LICENSE
  72. LICENSE.chromium_os
  73. OWNERS
  74. PRESUBMIT.py
  75. PRESUBMIT_test.py
  76. PRESUBMIT_test_mocks.py
  77. README.md
  78. WATCHLISTS
README.md

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Chromium is an open-source browser project that aims to build a safer, faster, and more stable way for all users to experience the web.

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Learn how to Get Around the Chromium Source Code Directory Structure .

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