[Unchecked] Fix unchecked warnings in chrome/android & webview tests

Fix approaches:
 - Diamond operators and fully parameterized locals replacing raw
   Pair/AtomicReference/PayloadCallbackHelper/ListModelChangeProcessor
   constructors.
 - Class-level @Mock / @Captor fields replacing raw mock(Class.class)
   and ArgumentCaptor.forClass() locals. Existing @Captor fields
   reused in place of any(Class.class) matchers where available.
 - @SafeVarargs wrappers (safeReset, safeClearInvocations, asSet,
   arrayToSet) replacing method-level @SuppressWarnings on generic-
   varargs Mockito/helper calls.
 - Class<T>.cast(obj) replacing raw (T) obj casts where a Class
   token is in scope (BookmarkTest, DisplayCutoutTestRule).
 - Covariant return overrides in RegularTabSwitcherStation and
   IncognitoTabSwitcherStation delegating to super.openAppMenu() to
   parameterize transit facility return types without code
   duplication; TabSwitcherGroupCardFacility.openAppMenu() narrowed
   to TabSwitcherStation host type.
 - Unwrap Hamcrest allOf(singleMatcher).
 - Narrow method-scope @SuppressWarnings("unchecked") with justifying
   comment only for unavoidable sites

This is part of the effort to enable -Xlint:unchecked globally.

Bug: 358366667
Change-Id: I540a67192e4421d46e056ac60edb28b3ad0d7cb9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7790135
Owners-Override: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1619472}
36 files changed
tree: cb13b6d435b97f3e72753f74a3d003cb943e6d53
  1. .agents/
  2. .claude/
  3. .gemini/
  4. .github/
  5. agents/
  6. android_webview/
  7. apps/
  8. ash/
  9. base/
  10. build/
  11. build_overrides/
  12. buildtools/
  13. cc/
  14. chrome/
  15. chromecast/
  16. chromeos/
  17. codelabs/
  18. components/
  19. content/
  20. crypto/
  21. dbus/
  22. device/
  23. docs/
  24. extensions/
  25. fuchsia_web/
  26. gin/
  27. google_apis/
  28. gpu/
  29. headless/
  30. infra/
  31. ios/
  32. ipc/
  33. media/
  34. mojo/
  35. net/
  36. pdf/
  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. webkit/
  52. .clang-format
  53. .clang-tidy
  54. .clangd
  55. .cursorignore
  56. .geminiignore
  57. .git-blame-ignore-revs
  58. .gitallowed
  59. .gitattributes
  60. .gitignore
  61. .gitmodules
  62. .gn
  63. .mailmap
  64. .rustfmt.toml
  65. .vpython3
  66. .yapfignore
  67. ATL_OWNERS
  68. AUTHORS
  69. BUILD.gn
  70. CODE_OF_CONDUCT.md
  71. codereview.settings
  72. CPPLINT.cfg
  73. CRYPTO_OWNERS
  74. DEPS
  75. DIR_METADATA
  76. LICENSE
  77. LICENSE.chromium_os
  78. OWNERS
  79. package.json
  80. PRESUBMIT.py
  81. PRESUBMIT_test.py
  82. PRESUBMIT_test_mocks.py
  83. README.md
  84. SECURITY_OWNERS
  85. WATCHLISTS
README.md

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