Add CSSValuePhase parameter to CSSValueFromComputedStyleInternal

There's special-casing in ComputedStyleUtils::ComputedPropertyValue()
for properties whose computed value differs from resolved value. The set
of such properties is larger than previously understood, so to avoid
an excessive number of special cases, this CL starts a refactor to push
CSSValuePhase into CSSProperty::CSSValueFromComputedStyle() so that
properties can define their own behaviors.

The changes here are only to CSSValuePhase into css_property.h, add the
parameter to the heavily overridden CSSValueFromComputedStyleInternal
method, and fix up call sites. Further plumbing and functional changes
will come in follow-up CLs.

Bug: 40137692
Change-Id: I3ff43df162be4d8eac81fe5a94f37d6a28f6c69b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5304240
Reviewed-by: Rune Lillesveen <futhark@chromium.org>
Commit-Queue: Kevin Babbitt <kbabbitt@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#1265521}
10 files changed
tree: d01a2f912e8bc5ac6fe2287c86e42ad7778db7fa
  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. .gitallowed
  57. .gitattributes
  58. .gitignore
  59. .gitmodules
  60. .gn
  61. .mailmap
  62. .rustfmt.toml
  63. .vpython3
  64. .yapfignore
  65. ATL_OWNERS
  66. AUTHORS
  67. BUILD.gn
  68. CODE_OF_CONDUCT.md
  69. codereview.settings
  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. WATCHLISTS
README.md

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