Auto merge of #13453 - metajack:media-query-list, r=jdm

Implement matchMedia and MediaQueryList

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [ ] These changes fix #13376 (github issue number if applicable).

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Fixes #13376.

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components/script/lib.rs

@@ -81,6 +81,7 @@ extern crate smallvec;
 #[macro_use(atom, ns)] extern crate string_cache;
 #[macro_use]
 extern crate style;
+extern crate style_traits;
 extern crate time;
 #[cfg(any(target_os = "macos", target_os = "linux", target_os = "windows"))]
 extern crate tinyfiledialogs;