Define a ThrottlingData internal class to manage the throttling logic

In order to mitigate the consequences of an aggressive throttling one of
the actions proposed in the design doc [1] is to define a map indexed
by the server's IP address to store the pending queues.

This change defines an internal class that will be eventually stored in
such map, so that we can retrieve the pending queue associated to a
specific IP.

[1]https://docs.google.com/document/d/1j2NJqLQyAHSBZArW6Iwg8uVId3NGQxnBV7b9LYbd8FM/edit?usp=sharing

Bug: 40069954
Change-Id: Iaca8a6cb9d0194c066d781f6a6472252cfb8876c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5664914
Reviewed-by: Adam Rice <ricea@chromium.org>
Commit-Queue: Javier Fernandez <jfernandez@igalia.com>
Cr-Commit-Position: refs/heads/main@{#1325370}
2 files changed
tree: 200d22c6b8d087e5b9e21206c5d3e47e1d7ce9fe
  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. codelabs/
  13. components/
  14. content/
  15. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia_web/
  22. gin/
  23. google_apis/
  24. google_update/
  25. gpu/
  26. headless/
  27. infra/
  28. ios/
  29. ipc/
  30. media/
  31. mojo/
  32. native_client_sdk/
  33. net/
  34. pdf/
  35. ppapi/
  36. printing/
  37. remoting/
  38. rlz/
  39. sandbox/
  40. services/
  41. skia/
  42. sql/
  43. storage/
  44. styleguide/
  45. testing/
  46. third_party/
  47. tools/
  48. ui/
  49. url/
  50. webkit/
  51. .clang-format
  52. .clang-tidy
  53. .clangd
  54. .eslintrc.js
  55. .git-blame-ignore-revs
  56. .gitallowed
  57. .gitattributes
  58. .gitignore
  59. .gitmodules
  60. .gn
  61. .mailmap
  62. .rustfmt.toml
  63. .vpython3
  64. .yapfignore
  65. ATL_OWNERS
  66. AUTHORS
  67. BUILD.gn
  68. CODE_OF_CONDUCT.md
  69. codereview.settings
  70. CPPLINT.cfg
  71. DEPS
  72. DIR_METADATA
  73. LICENSE
  74. LICENSE.chromium_os
  75. OWNERS
  76. PRESUBMIT.py
  77. PRESUBMIT_test.py
  78. PRESUBMIT_test_mocks.py
  79. README.md
  80. WATCHLISTS
README.md

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