Remove memory saver discard exceptions when clearing site data

Whenever clearing site data, all discard exceptions will be removed
since we don't store dates when the pref was edited. This change ensures
the count of site settings is updated, that the site settings are
cleared, and that when you go to the site settings page there is a link
to the performance page where the settings can be managed.

Bug: 1510439
Change-Id: Ibe892141a648c732e9dc6ba5a6007a03e79301ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5132377
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Rainhard Findling <rainhard@chromium.org>
Commit-Queue: Alison Gale <agale@chromium.org>
Reviewed-by: Peter Boström <pbos@chromium.org>
Auto-Submit: Alison Gale <agale@chromium.org>
Reviewed-by: Eshwar Stalin <estalin@chromium.org>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1242513}
13 files changed
tree: e0d8c6ace7febe5b8488ba2deb0f6dbcda1f65cc
  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. .gitattributes
  57. .gitignore
  58. .gitmodules
  59. .gn
  60. .mailmap
  61. .rustfmt.toml
  62. .vpython3
  63. .yapfignore
  64. ATL_OWNERS
  65. AUTHORS
  66. BUILD.gn
  67. CODE_OF_CONDUCT.md
  68. codereview.settings
  69. DEPS
  70. DIR_METADATA
  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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Documentation in the source is rooted in docs/README.md.

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