[ComputePressure] Send PressureUpdate from PressureManagerImpl to PressureObserverManager directly

Currently, PressureUpdate is sent from PressureManagerImpl to
PressureServiceimpl firstly and then sent to PressureObserverManager.
However, PressureUpdate will not be filtered in PressureServiceImpl
anymore. So PressureUpdate can be sent from PressureManagerImpl
to PressureObserverManager directly.

This Cl also removes PressureServiceimpl, because it is no longer
needed.

Bug: 1391848
Change-Id: Iee01b9dd66246f659bb92ee307b3fc64b0962925
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4126666
Reviewed-by: Dominic Farolino <dom@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Commit-Queue: Raphael Kubo Da Costa <raphael.kubo.da.costa@intel.com>
Reviewed-by: Raphael Kubo Da Costa <raphael.kubo.da.costa@intel.com>
Reviewed-by: Takashi Toyoshima <toyoshim@chromium.org>
Reviewed-by: Bo Liu <boliu@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1095704}
27 files changed
tree: f6d74974661ce68ead7b3f3a19a1a220e9a7e977
  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. weblayer/
  51. .clang-format
  52. .clang-tidy
  53. .eslintrc.js
  54. .git-blame-ignore-revs
  55. .gitattributes
  56. .gitignore
  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. DEPS
  68. DIR_METADATA
  69. LICENSE
  70. LICENSE.chromium_os
  71. OWNERS
  72. PRESUBMIT.py
  73. PRESUBMIT_test.py
  74. PRESUBMIT_test_mocks.py
  75. README.md
  76. WATCHLISTS
README.md

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