Auto merge of #12924 - servo:selectors-ser, r=nox

Update selectors to 0.10, with ToCss serialization.

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r? @emilio

---
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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 #__ (github issue number if applicable).

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- [x] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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components/script/Cargo.toml

@@ -62,7 +62,7 @@ regex = "0.1.43"
 rustc-serialize = "0.3"
 script_layout_interface = {path = "../script_layout_interface"}
 script_traits = {path = "../script_traits"}
-selectors = {version = "0.9", features = ["heap_size"]}
+selectors = {version = "0.10", features = ["heap_size"]}
 serde = "0.8"
 smallvec = "0.1"
 string_cache = {version = "0.2.23", features = ["heap_size", "unstable"]}

components/script/dom/element.rs

@@ -2250,7 +2250,7 @@ impl<'a> ::selectors::MatchAttrGeneric for Root<Element> {
         };
         match attr.namespace {
             NamespaceConstraint::Specific(ref ns) => {
-                self.get_attribute(ns, local_name)
+                self.get_attribute(&ns.url, local_name)
                     .map_or(false, |attr| {
                         test(&attr.value())
                     })

components/script/layout_wrapper.rs

@@ -483,7 +483,7 @@ impl<'le> ::selectors::MatchAttrGeneric for ServoLayoutElement<'le> {
         };
         match attr.namespace {
             NamespaceConstraint::Specific(ref ns) => {
-                self.get_attr(ns, name).map_or(false, |attr| test(attr))
+                self.get_attr(&ns.url, name).map_or(false, |attr| test(attr))
             },
             NamespaceConstraint::Any => {
                 let attrs = unsafe {
@@ -970,7 +970,7 @@ impl<'le> ::selectors::MatchAttrGeneric for ServoThreadSafeLayoutElement<'le> {
         where F: Fn(&str) -> bool {
         match attr.namespace {
             NamespaceConstraint::Specific(ref ns) => {
-                self.get_attr(ns, &attr.name).map_or(false, |attr| test(attr))
+                self.get_attr(&ns.url, &attr.name).map_or(false, |attr| test(attr))
             },
             NamespaceConstraint::Any => {
                 unsafe {