[M137] PrefetchScheduler: Call PrefetchScheduler::Progress() synchronously as much as possible

PrefetchScheduler starts prefetch asynchronously. This depends on how
task runner and may delay prefetch start and affect user-initiated
navigation if the prefetch blocks it and no enough head start time.

For more details, see
https://docs.google.com/document/d/159fhgpMfQF_MVHe3tnhQ7uLabjiSdt34Kr223Jy0Olk/edit?tab=t.xzcxwa9oqiqy

Additionally, this CL also adds `Async` suffix for methods of
`PrefetchService` that triggers `PrefetchService::ProgressAsync()`.

Co-authored-by: Taiyo Mizuhashi <taiyo@chromium.org>

(cherry picked from commit 0a56736f7a1d8c9b7228cf988758358cf8cc79e4)

Fixed: 417908592, 418679441
Bug: 406403063
Change-Id: Ic38ab47e0e9d957acbb6f28ce8fd4d405f6facd3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6552437
Commit-Queue: Ken Okada <kenoss@chromium.org>
Reviewed-by: Taiyo Mizuhashi <taiyo@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1461268}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6564386
Cr-Commit-Position: refs/branch-heads/7151@{#1366}
Cr-Branched-From: 8e0d32ed6e49a2415b16e5ed402957cac2349ce2-refs/heads/main@{#1453031}
8 files changed
tree: 8f39c1e75d6218cb305ff19965c0a31a9ec0bf14
  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. 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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