Fix OverlayProcessorWebview::Manager life-time

Class is created on RenderThread and we guarantee that it will be alive
until display compositor is destroyed, but UpdateOverlayBuffer is run
on GpuMain and can be posted while OverlayProcessor is alive but run
right after it's destroyed.

Manager can already outlive OverlayProcessor due to pending callbacks
and can be destroyed on both threads, so we can just extend life-time
for the duration of UpdateOverlayBuffer.

(cherry picked from commit 86a87b972fe850b48542bfc435a92c766e0a13c6)

Bug: 1515741
Change-Id: I80584596951b98ce99b9b4cbd4a3364278d1e967
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5176835
Commit-Queue: Vasiliy Telezhnikov <[email protected]>
Reviewed-by: Bo Liu <[email protected]>
Cr-Original-Commit-Position: refs/heads/main@{#1244651}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5200854
Bot-Commit: Rubber Stamper <[email protected]>
Cr-Commit-Position: refs/branch-heads/6167@{#1425}
Cr-Branched-From: 222e786949e76e342d325ea0d008b4b6273f3a89-refs/heads/main@{#1233107}
1 file changed
tree: 4f010328705893cd6bb1016643ad73fde84edd8a
  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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