[Tab Switcher] TabSwitcherPaneMediator

A fork of the TabSwitcherMediator for panes. The code can be
significantly simplified due to panes and the Hub handling a lot of
the logic. Hub takes a lot of the visibility and back press logic away.
Panes take away incognito reauth, reset, and price tracking.

Visibility is now no longer the responsibility of the mediator nor is
managing the content size of the TabListRecyclerView as it is hosted as
a view within the Hub rather than being the child for the compositor
view.

As such, something that was almost 1200 lines is now only 400.

Bug: 1505772
Change-Id: I947ad557ea0c84017689f4324737f083d4da9482
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5136680
Reviewed-by: Sky Malice <skym@chromium.org>
Commit-Queue: Calder Kitagawa <ckitagawa@chromium.org>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1243592}
4 files changed
tree: 40884e6afae9a80364c283b6ebe1bbe3e10ebce4
  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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