[calc-size] Fix calc-size(auto) for flex auto min-size.
This patch allows performing calculations on the flex automatic
minimum size.
Reworks the code to just call ComputeMinMax*Sizes directly, instead
of calling ResolveMinInlineLength/etc manually.
Bug: 313072
Change-Id: I3d2f2dcac42615a1939a8313762ad0037372e11f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5778739
Commit-Queue: Ian Kilpatrick ikilpatrick@chromium.org
Reviewed-by: David Baron dbaron@chromium.org
Reviewed-by: David Grogan dgrogan@chromium.org
Cr-Commit-Position: refs/heads/main@{#1340707}