Revert "[PartitionAlloc] Don't sort already-sorted freelists."

This reverts commit e594ceb5413566356e46fb1793383fc34f46a6ba.

Reason for revert: Newly introduced test failing on some configs.

Original change's description:
> [PartitionAlloc] Don't sort already-sorted freelists.
>
> If a slot span hasn't been touched since the last sort, there is no need
> to sort it again. This is intended to reduce the CPU cost of freelist
> sorting.
>
> This is motivated by stack-sampled metrics showing that the cost of
> freelist sorting is non-trivial in the browser process. It also allows
> to track whether a slot span is "idle", which may be used to decommit
> part of the freelist if possible.
>
> Bug: 998048
> Change-Id: I06cb59e1dffdec23fc1869ee8bd8e6dba70c6bd6
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3259733
> Reviewed-by: Bartek Nowierski <bartekn@chromium.org>
> Commit-Queue: Benoit L <lizeb@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#938209}

Bug: 998048
Change-Id: I36aee865bc7589a004901bcf1aea109cf8995684
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3259638
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Mohamed Amir Yosef <mamir@chromium.org>
Commit-Queue: Benoit L <lizeb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#938227}
7 files changed
tree: 190d5ff95bd13b27946dba63eb4fb2576531f605
  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. .rustfmt.toml
  62. .vpython
  63. .vpython3
  64. .yapfignore
  65. AUTHORS
  66. BUILD.gn
  67. CODE_OF_CONDUCT.md
  68. codereview.settings
  69. DEPS
  70. DIR_METADATA
  71. ENG_REVIEW_OWNERS
  72. LICENSE
  73. LICENSE.chromium_os
  74. OWNERS
  75. PRESUBMIT.py
  76. PRESUBMIT_test.py
  77. PRESUBMIT_test_mocks.py
  78. README.md
  79. WATCHLISTS
README.md

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