Issue #1641 - Implement CSS flow-root keyword

This is just a clean port of 1322191 and follow-up 1325970. It really seems to add create a new way to access existing code relating to block formatting and floating elements rather than implementing new functionality, and it is mercifully straightforwards.
This commit is contained in:
athenian200 2020-09-03 18:55:28 -05:00 • committed by Roy Tam
commit 9532970df5
15 changed files with 68 additions and 16 deletions

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@ -28,8 +28,7 @@ class nsTableColFrame;
// These are all the block specific frame bits, they are copied from
// the prev-in-flow to a newly created next-in-flow, except for the
// NS_BLOCK_FLAGS_NON_INHERITED_MASK bits below.
#define NS_BLOCK_FLAGS_MASK (NS_BLOCK_MARGIN_ROOT | \
NS_BLOCK_FLOAT_MGR | \
#define NS_BLOCK_FLAGS_MASK (NS_BLOCK_FORMATTING_CONTEXT_STATE_BITS | \
NS_BLOCK_CLIP_PAGINATED_OVERFLOW | \
NS_BLOCK_HAS_FIRST_LETTER_STYLE | \
NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET | \