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Auto merge of #9722 - mbrubeck:slow-selector, r=nox

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Dirty elements whose selectors are affected by sibling changes

This fixes incremental layout of nodes that match pseudo-class selectors such as :first-child, :nth-child, :last-child, :first-of-type, etc.  Fixes #8191 and other intermittent layout bugs.

This code is based on the following flags from Gecko:
https://hg.mozilla.org/mozilla-central/file/e1cf617a1f28/dom/base/nsINode.h#l134

Depends on servo/rust-selectors#71. r? @SimonSapin

There are a couple of TODO items in this commit, but I'd appreciate feedback on the general approach before I finish it up.  (Also, if someone who knows more than I do could give some advice about atomic orderings...)

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This commit is contained in:
bors-servo 2016-02-24 18:55:39 +05:30
commit 438b3a444b
14 changed files with 145 additions and 47 deletions
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components/layout/Cargo.toml
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@ -70,7 +70,7 @@ heapsize_plugin = "0.1.2"
libc = "0.2"
log = "0.3"
rustc-serialize = "0.3"
selectors = {version = "0.5", features = ["heap_size"]}
selectors = {version = "0.5.1", features = ["heap_size"]}
serde = "0.6"
serde_json = "0.6"
serde_macros = "0.6"