Make SquaredDistanceBetweenRects() distinguish intersection.

When DIPToScreenRect() is asked to find the nearest display to a given rect, it uses the minimum SquaredDistanceBetweenRects() to choose.  Since adjacent and overlapping rectangles had the same reported distance (0), a rect on one monitor but touching another could be reported as nearest to the adjacent one, which is clearly incorrect.

(cherry picked from commit c294ba3378d6f623f36f16b07776082782f27a9e)

Bug: 1097049
TBR: jongdeok.kim
Change-Id: I626c3ba07d5e084b1a9062b780b2f5d333e26ee0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2315663
Commit-Queue: Robert Liao <robliao@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#793268}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2333295
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/branch-heads/4183@{#1098}
Cr-Branched-From: 740e9e8a40505392ba5c8e022a8024b3d018ca65-refs/heads/master@{#782793}
4 files changed
tree: 863d3da45c5668aac4b72517bbf9d6d6118f7f93
  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. cloud_print/
  13. components/
  14. content/
  15. courgette/
  16. crypto/
  17. dbus/
  18. device/
  19. docs/
  20. extensions/
  21. fuchsia/
  22. gin/
  23. google_apis/
  24. google_update/
  25. gpu/
  26. headless/
  27. infra/
  28. ios/
  29. ipc/
  30. jingle/
  31. media/
  32. mojo/
  33. native_client_sdk/
  34. net/
  35. pdf/
  36. ppapi/
  37. printing/
  38. remoting/
  39. rlz/
  40. sandbox/
  41. services/
  42. skia/
  43. sql/
  44. storage/
  45. styleguide/
  46. testing/
  47. third_party/
  48. tools/
  49. ui/
  50. url/
  51. weblayer/
  52. .clang-format
  53. .clang-tidy
  54. .eslintrc.js
  55. .git-blame-ignore-revs
  56. .gitattributes
  57. .gitignore
  58. .gn
  59. .vpython
  60. .vpython3
  61. .yapfignore
  62. AUTHORS
  63. BUILD.gn
  64. CODE_OF_CONDUCT.md
  65. codereview.settings
  66. DEPS
  67. ENG_REVIEW_OWNERS
  68. LICENSE
  69. LICENSE.chromium_os
  70. OWNERS
  71. PRESUBMIT.py
  72. PRESUBMIT_test.py
  73. PRESUBMIT_test_mocks.py
  74. README.md
  75. WATCHLISTS
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