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Auto merge of #16938 - emilio:traversal-assert, r=bzbarsky

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stylo: Don't mess up traversal drivers.

Right now it's harmless, but it trips assertions that are nice to have, just in
case it stops being the case.

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This commit is contained in:
bors-servo 2017-05-18 13:38:41 -05:00 • committed by GitHub
commit e1ecd3b89c
1 changed files with 2 additions and 2 deletions
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4
ports/geckolib/glue.rs
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@ -210,14 +210,14 @@ fn traverse_subtree(element: GeckoElement,
debug!("Traversing subtree:");
debug!("{:?}", ShowSubtreeData(element.as_node()));
let traversal_driver = if global_style_data.style_thread_pool.is_none() {
let traversal_driver = if global_style_data.style_thread_pool.is_none() || !element.is_root() {
TraversalDriver::Sequential
} else {
TraversalDriver::Parallel
};
let traversal = RecalcStyleOnly::new(shared_style_context, traversal_driver);
if traversal_driver.is_parallel() && element.is_root() {
if traversal_driver.is_parallel() {
parallel::traverse_dom(&traversal, element, token,
global_style_data.style_thread_pool.as_ref().unwrap());
} else {