[remoting][win][webauthn] Fix extension wakeup

The webauthn extension wakeup mechanism doesn't work on Windows. It
turns out the problem is that
RemoteWebAuthnExtensionNotifier::NotifyStateChange() is invoked from the
network process, which does not have access to the LocalAppData
directory, so the write to the extension wakeup file will fail.

This CL fixes this problem by having the network process make an IPC to
the high-privilege desktop process, which writes the wakeup file on the
desktop process.

(cherry picked from commit 2ad53d9a92fad04b294850bec3623fbea79e7e3c)

Bug: 1325523
Change-Id: I5ddc5beee14c038fd0713a3806578769ae588c20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3650999
Commit-Queue: Yuwei Huang <yuweih@chromium.org>
Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Reviewed-by: Joe Downing <joedow@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1004927}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3655244
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: Yuwei Huang <yuweih@chromium.org>
Commit-Queue: Ken Buchanan <kenrb@chromium.org>
Cr-Commit-Position: refs/branch-heads/5060@{#125}
Cr-Branched-From: b83393d0f4038aeaf67f970a024d8101df7348d1-refs/heads/main@{#1002911}
21 files changed
tree: b59a251baef2d6ceaa3d9a68ff4bf0a00f346ca0
  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/
  22. fuchsia_webengine/
  23. gin/
  24. google_apis/
  25. google_update/
  26. gpu/
  27. headless/
  28. infra/
  29. ios/
  30. ipc/
  31. media/
  32. mojo/
  33. native_client_sdk/
  34. net/
  35. pdf/
  36. ppapi/
  37. printing/
  38. remoting/
  39. rlz/
  40. sandbox/
  41. services/
  42. skia/
  43. sql/
  44. storage/
  45. styleguide/
  46. testing/
  47. third_party/
  48. tools/
  49. ui/
  50. url/
  51. weblayer/
  52. .clang-format
  53. .clang-tidy
  54. .eslintrc.js
  55. .git-blame-ignore-revs
  56. .gitattributes
  57. .gitignore
  58. .gn
  59. .mailmap
  60. .rustfmt.toml
  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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