[PDF Ink Signatures] Handle rotations

Similar to scrolling and zooming, the text box needs to look like an
annotation in the real PDF when the viewport changes via rotations,
i.e. the box should rotate with the PDF. Existing textboxes that the
user re-activates for editing also need to maintain their original
rotation relative to the PDF, to represent what they would look like
if still being rendered as part of the PDF itself.

Textboxes will be created with a rotation relative to the PDF if they
are created when the PDF is rotated - i.e. new textboxes are always
created with no rotation, even if the PDF is in a rotated state.

Bug: 402546155
Include-Ci-Only-Tests: chromium.mac:mac14-tests|browser_tests
Change-Id: Ia34ffcf50d24b29a3d6fb9bc5d35fd78c2e40bf9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6514014
Reviewed-by: Andy Phan <andyphan@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1459104}
6 files changed
tree: a9cd2e622fe8860c64ca253f0cf93b1b94b9ab08
  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. crypto/
  16. dbus/
  17. device/
  18. docs/
  19. extensions/
  20. fuchsia_web/
  21. gin/
  22. google_apis/
  23. gpu/
  24. headless/
  25. infra/
  26. ios/
  27. ipc/
  28. media/
  29. mojo/
  30. native_client_sdk/
  31. net/
  32. pdf/
  33. ppapi/
  34. printing/
  35. remoting/
  36. rlz/
  37. sandbox/
  38. services/
  39. skia/
  40. sql/
  41. storage/
  42. styleguide/
  43. testing/
  44. third_party/
  45. tools/
  46. ui/
  47. url/
  48. webkit/
  49. .clang-format
  50. .clang-tidy
  51. .clangd
  52. .git-blame-ignore-revs
  53. .gitallowed
  54. .gitattributes
  55. .gitignore
  56. .gitmodules
  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. CPPLINT.cfg
  68. CRYPTO_OWNERS
  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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