[spc][clank][refactor] Refactor and Create New SPC Components for Clank

Create a copy of the SPC components (Controller, View, Properties,
ViewBinder) to be used for SPC UX Refresh. Refactor the controller to
remove feature flag usage (the entirety of the new controller will be
behind a feature flag instead) and to move the bottom sheet content
view and observer implementations outside of the controller to decrease
the bloat on the controller as well as the unit tests.

In addition, new tests were added for all the components and there
should now be 100% unit test coverage for SPC.

Note that the components were also tested on-device by showing the
controller from ChromePaymentRequestService.

Transaction View: http://screen/7UkHPm493FpDZzn
Fallback View: http://screen/qNwRMVmrvRAPHBu

Bug: 417977623
Change-Id: I5d79546fa738cbd7ea32b3d8468c41fa3388da44
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6580280
Reviewed-by: Slobodan Pejic <slobodan@chromium.org>
Commit-Queue: Darwin Yang <darwinyang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1466697}
16 files changed
tree: 11c801da34cf4d733e8f7eec49c6d0da6639debc
  1. .github/
  2. android_webview/
  3. apps/
  4. ash/
  5. base/
  6. build/
  7. build_overrides/
  8. buildtools/
  9. cc/
  10. chrome/
  11. chromecast/
  12. chromeos/
  13. codelabs/
  14. components/
  15. content/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia_web/
  22. gin/
  23. google_apis/
  24. gpu/
  25. headless/
  26. infra/
  27. ios/
  28. ipc/
  29. media/
  30. mojo/
  31. native_client_sdk/
  32. net/
  33. pdf/
  34. ppapi/
  35. printing/
  36. remoting/
  37. rlz/
  38. sandbox/
  39. services/
  40. skia/
  41. sql/
  42. storage/
  43. styleguide/
  44. testing/
  45. third_party/
  46. tools/
  47. ui/
  48. url/
  49. webkit/
  50. .clang-format
  51. .clang-tidy
  52. .clangd
  53. .git-blame-ignore-revs
  54. .gitallowed
  55. .gitattributes
  56. .gitignore
  57. .gitmodules
  58. .gn
  59. .mailmap
  60. .rustfmt.toml
  61. .vpython3
  62. .yapfignore
  63. ATL_OWNERS
  64. AUTHORS
  65. BUILD.gn
  66. CODE_OF_CONDUCT.md
  67. codereview.settings
  68. CPPLINT.cfg
  69. CRYPTO_OWNERS
  70. DEPS
  71. DIR_METADATA
  72. LICENSE
  73. LICENSE.chromium_os
  74. OWNERS
  75. PRESUBMIT.py
  76. PRESUBMIT_test.py
  77. PRESUBMIT_test_mocks.py
  78. README.md
  79. SECURITY_OWNERS
  80. WATCHLISTS
README.md

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