script: Chain up keyboard scrolling to parent <iframe>s (#39469)

When an `<iframe>` cannot scroll because the size of the frame is
greater than or
equal to the size of page contents, chain up the keyboard scroll
operation to the parent frame.

Testing: A new Servo-only WPT tests is added, though needs to be
manually
run with `--product servodriver`.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Delan Azabani <dazabani@igalia.com>
This commit is contained in:
Martin Robinson 2025-09-25 13:16:41 +02:00 committed by GitHub
parent 75e32ba5a4
commit ffdb7d3663
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23 changed files with 406 additions and 132 deletions

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@ -26,6 +26,7 @@ fonts_traits = { workspace = true }
http = { workspace = true }
hyper_serde = { workspace = true }
ipc-channel = { workspace = true }
keyboard-types = { workspace = true }
log = { workspace = true }
malloc_size_of = { workspace = true }
malloc_size_of_derive = { workspace = true }