Added panic message to failures.
Added the panic message to failures. This is a step towards #10334, since it gives us access to the panic error message when we fire a `mozbrowsererror` event. The remaining steps are also to record the backtrace, and to report the failure in the event.
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In rust-url 1.0 the `Url` struct is going to have private fields, and there
is no way to to create an aribitrary one without going through the parser.
The plugin never had a clear demonstrated performance benefit,
it was made mostly because it was possible and relatively easy at the time.
Implement HTMLBaseElement attributes
The remaining test failure in `base_multiple.html` looks like there's a problem with the test itself (it does not have a `<base>` tag at all).
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Add some Gecko-supported CSS keyword properties
I have added all properties that are marked with (exactly) PARSE_VALUES and H | K in [0] to properties.mako.rs, as part of #10408. A few questions and remarks:
* I created a SVG style struct. Should those properties be somewhere else instead?
* I did not know what to do with ime-mode (which lives in nsStyleUIReset), so I did not include it.
* Servo already has a -servo-overflow-clip-box property, while Gecko has overflow-clip-box. Should those be consolidated?
* There is a code comment (marked with XXX) about scroll-snap-type-y. Should I add a <%self:longhand> template tag for that, similar to the one in overflow-y?
I am getting error E0053 while trying to run "./mach build-geckolib -r" on master, and the bholley/stylo branch doesn't support the products keyword argument yet, so I haven't exactly checked this compiles properly. It doesn't add any new compilation errors before the E0053 one, though.
Let me know if some extra information (say, a table saying where each property went) would be useful in the review process. r? @bholley
[0] https://docs.google.com/spreadsheets/d/1pSw2SjNxXZAQ19SAuNKcs5u4S7Zkc1ebEOkSP4oITUQ/edit?pref=2&pli=1
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Share prefs to content processes
Without this `./mach run -b -- -M` would start fine but navigating to a site would fail with:
`thread 'ScriptThread PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(0) }' panicked at 'assertion failed: mozbrowser_enabled()', /Users/ulf/Documents/Code/servo/components/script/dom/htmliframeelement.rs:163`
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Take transform:translate into account when computing clipping regions.
Note that this only works for translation; a more general fix would
require major changes to how display lists work.
Closes#10431?
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Fix typo: `cannot not outlive` -> `cannot outlive`
A `Root` cannot outlive the `RootCollection` it is recorded in.
The docs were saying otherwise.
r? @jdm
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