commit 11f645f6710899a679fabaf94cc77607375b605c
author Ethan Jimenez <ethavar@microsoft.com> Fri Mar 07 23:56:42 2025
committer Chromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com> Fri Mar 07 23:56:42 2025
tree b00c875d830e58068cdbe013cbaca30adc7e21cd
parent e97a9d4d1f304d3d81a6c64aabdb173be62f2c53

[Grid] Make GridSizingTree stack-allocated

Previously, the `GridSizingTree` was passed around in grid's layout
algorithm to obtain the grid items and geometry of a grid container.
However, this was unnecessary since many methods of the algorithm
only required the data of the root grid.

This CL refactors these methods to avoid passing the entire grid tree
and take only the necessary data. This was particularly problematic
for fragmentation, as we copied the entire tree to the break token.
Avoiding this copy allowed the tree to be stack-allocated.

This change should not have any behavioral impact.

Bug: 399153019
Change-Id: Id66a42e4a6be33a348adb8416ba6cc6e2f15aa97
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6331716
Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org>
Commit-Queue: Ethan Jimenez <ethavar@microsoft.com>
Reviewed-by: Kurt Catti-Schmidt <kschmi@microsoft.com>
Reviewed-by: Alison Maher <almaher@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#1429799}