Implement MutationObserver.disconnect()
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This implements https://dom.spec.whatwg.org/#dom-mutationobserver-disconnect
I added a `node_list` to the `MutationObserver` struct to keep track of the nodes involved in an observer because otherwise I could not find a way to unregister the observers on the node themselves without traversing the whole document tree. Let me know if there's something I missed.
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Automatically provide a resource reader for tests
Fix#20710
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Revert "Upgrade to rustc 1.27.0-nightly (8a37c75a3 2018-05-02)"
This is causing us to hit a mac bug in rustc that I'm still tracking down and ruining our ability to merge PRs. This works around #20756 until the problem is fixed upstream.
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Replace a boxed iterator with impl Trait
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Generate a frame when a transaction scrolls
This no longer happens automatically in WebRender, so we must do it
manually.
Fixes#20762.
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Don't suppress errors when executing mach bootstrap processes.
[Omitting an argument](https://docs.python.org/2/library/sys.html#sys.exit) to sys.exit causes it to default to 0, so buildbot doesn't report it as an error.
We were just lucky that the android builders happened to have a build step that failed that didn't rely on running python!
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fix(capture_webrender): try fallback capture dir
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This PR try to update behavior of webrender capture to have fallback dir - first it try to create under current working dir, if fails go back to $TMPDIR. I was debating between TMP vs $home, bit hesitate to create some folder under user's home dir directly so choose TMP instead. Can be easily changed, or add few more if needed.
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- locally verified on mac os
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Implement beforeunload event and infrastructure
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Implementation of:
1. https://html.spec.whatwg.org/multipage/#prompt-to-unload-a-document, and
2. https://html.spec.whatwg.org/multipage/#unload-a-document
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0 is not among the valid values for a wrap mode or filter, so it won't
ever be returned unless the driver is broken, and even if it was a
valid value we would want to pass it through.
Build note for Ubuntu 16.04
See #20712
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Style change in display_list/builder.rs to reduce
the number of & and * found in the code.
Rect<Au> are basically 4 integers so there is no
need to pass by reference.
Always use border_padding and writing_mode from the same fragment.
Mixing them will trigger a debug assertion if the writing modes are different.
Cleanup and use compute_background_clip
