Revert "preloading: Firing pagehide when prerendering"

This reverts commit 0e5d5e26ab69a64ff119153b940b85746055ad94.

Reason for revert:

Causes flaky failures of 
PrerenderBrowserTest.CancelOnSpeculationCandidateRemoved
on many bots.  On some bots, like Linux CFI, it seems to fail more than half the time.

Bug: 392578265

Original change's description:
> preloading: Firing pagehide when prerendering
>
> This CL makes prerender cancellation fire pagehide by calling
> RenderFrameHostImpl::ClosePage when the prerendered page is
> intentionally canceled (such as removing speculation rules,
> not by failure).
> Another CL https://crrev.com/c/6197678 is created as a follow-up to
> support the new-tab cases.
>
> Bug: 353628449
> Change-Id: Ie2903ec3d0782c102181bccc3ec3d6910207481e
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6108648
> Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org>
> Reviewed-by: Rakina Zata Amni <rakina@chromium.org>
> Commit-Queue: Huanpo Lin <robertlin@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1411504}

Bug: 353628449
Change-Id: I3c98c3fd04ad6fa3dd3749ea379512f261d95dfb
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6203506
Auto-Submit: Mark Pearson <mpearson@chromium.org>
Owners-Override: Mark Pearson <mpearson@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1411932}
12 files changed
tree: 09493d7a4a701fdc0795bf5bc904e323bdde0df8
  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. crypto/
  16. dbus/
  17. device/
  18. docs/
  19. extensions/
  20. fuchsia_web/
  21. gin/
  22. google_apis/
  23. gpu/
  24. headless/
  25. infra/
  26. ios/
  27. ipc/
  28. media/
  29. mojo/
  30. native_client_sdk/
  31. net/
  32. pdf/
  33. ppapi/
  34. printing/
  35. remoting/
  36. rlz/
  37. sandbox/
  38. services/
  39. skia/
  40. sql/
  41. storage/
  42. styleguide/
  43. testing/
  44. third_party/
  45. tools/
  46. ui/
  47. url/
  48. webkit/
  49. .clang-format
  50. .clang-tidy
  51. .clangd
  52. .git-blame-ignore-revs
  53. .gitallowed
  54. .gitattributes
  55. .gitignore
  56. .gitmodules
  57. .gn
  58. .mailmap
  59. .rustfmt.toml
  60. .vpython3
  61. .yapfignore
  62. ATL_OWNERS
  63. AUTHORS
  64. BUILD.gn
  65. CODE_OF_CONDUCT.md
  66. codereview.settings
  67. CPPLINT.cfg
  68. CRYPTO_OWNERS
  69. DEPS
  70. description
  71. DIR_METADATA
  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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