Add EXPECT_SKCOLORS_CLOSE macro

This CL moves gfx::ColorsClose from image_unittest_util.cc to
sk_color_eq.cc and wraps it in a macro. This allows for tests to
compare SkColors for closeness and get an assertion message that
includes the RGBA value of the color as well as the expressions used in
the comparison.

Change-Id: I91bcf2e4f48458950dfe5e070314a6cd79bb37bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4038344
Reviewed-by: Rafael Cintron <rafael.cintron@microsoft.com>
Reviewed-by: Vasiliy Telezhnikov <vasilyt@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Michael Tang <tangm@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#1089569}
3 files changed
tree: 1b84b133a3fc6fe9c3692dcfebd269ce4e47ce99
  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. weblayer/
  51. .clang-format
  52. .clang-tidy
  53. .eslintrc.js
  54. .git-blame-ignore-revs
  55. .gitattributes
  56. .gitignore
  57. .gn
  58. .mailmap
  59. .rustfmt.toml
  60. .vpython3
  61. .yapfignore
  62. ATL_OWNERS
  63. AUTHORS
  64. BUILD.gn
  65. CODE_OF_CONDUCT.md
  66. codereview.settings
  67. DEPS
  68. DIR_METADATA
  69. LICENSE
  70. LICENSE.chromium_os
  71. OWNERS
  72. PRESUBMIT.py
  73. PRESUBMIT_test.py
  74. PRESUBMIT_test_mocks.py
  75. README.md
  76. WATCHLISTS
README.md

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