Create own file for background calculations in layout

Move display_list_builder.rs and webrender_helpers.rs
along with the new file to components/layout/display_list/

Remove apparently unused IdType enum.
Only variant used was OverflowClip.

See #19676
This commit is contained in:
Pyfisch 2018-01-04 13:34:04 +01:00
parent 989d2fd532
commit ea062e6e47
21 changed files with 635 additions and 620 deletions

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