Replace TElement::get_link() by specific methods.

components/layout/css/matching.rs

@@ -265,7 +265,7 @@ impl StyleSharingCandidate {
             local_name: element.get_local_name().clone(),
             class: element.get_attr(&ns!(""), &atom!("class"))
                           .map(|string| string.to_owned()),
-            link: element.get_link().is_some(),
+            link: element.is_link(),
             namespace: (*element.get_namespace()).clone(),
             common_style_affecting_attributes:
                    create_common_style_affecting_attributes_from_element(&element)
@@ -333,7 +333,7 @@ impl StyleSharingCandidate {
             }
         }
 
-        if element.get_link().is_some() != self.link {
+        if element.is_link() != self.link {
             return false
         }
 

components/layout/wrapper.rs

@@ -536,7 +536,7 @@ impl<'le> TElement<'le> for LayoutElement<'le> {
         self.element.namespace()
     }
 
-    fn get_link(self) -> Option<&'le str> {
+    fn is_link(self) -> bool {
         // FIXME: This is HTML only.
         let node: &Node = NodeCast::from_actual(self.element);
         match node.type_id_for_layout() {
@@ -545,13 +545,23 @@ impl<'le> TElement<'le> for LayoutElement<'le> {
             NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLAreaElement)) |
             NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLLinkElement)) => {
                 unsafe {
-                    self.element.get_attr_val_for_layout(&ns!(""), &atom!("href"))
+                    self.element.get_attr_val_for_layout(&ns!(""), &atom!("href")).is_some()
                 }
             }
-            _ => None,
+            _ => false,
         }
     }
 
+    #[inline]
+    fn is_unvisited_link(self) -> bool {
+        self.is_link()
+    }
+
+    #[inline]
+    fn is_visited_link(self) -> bool {
+        false
+    }
+
     #[inline]
     fn get_hover_state(self) -> bool {
         unsafe {

components/script/dom/element.rs

@@ -1494,8 +1494,7 @@ impl<'a> VirtualMethods for JSRef<'a, Element> {
 }
 
 impl<'a> style::node::TElement<'a> for JSRef<'a, Element> {
-    #[allow(unsafe_code)]
+    fn is_link(self) -> bool {
-    fn get_link(self) -> Option<&'a str> {
         // FIXME: This is HTML only.
         let node: JSRef<Node> = NodeCast::from_ref(self);
         match node.type_id() {
@@ -1503,17 +1502,22 @@ impl<'a> style::node::TElement<'a> for JSRef<'a, Element> {
             NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLAnchorElement)) |
             NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLAreaElement)) |
             NodeTypeId::Element(ElementTypeId::HTMLElement(HTMLElementTypeId::HTMLLinkElement)) => {
-                self.get_attribute(&ns!(""), &atom!("href")).root().map(|attr| {
+                self.has_attribute(&atom!("href"))
-                    // This transmute is used to cheat the lifetime restriction.
-                    // FIXME(https://github.com/rust-lang/rust/issues/23338)
-                    let attr = attr.r();
-                    let value: &str = &**attr.value();
-                    unsafe { mem::transmute(value) }
-                })
             },
-            _ => None,
+            _ => false,
          }
     }
+
+    #[inline]
+    fn is_unvisited_link(self) -> bool {
+        self.is_link()
+    }
+
+    #[inline]
+    fn is_visited_link(self) -> bool {
+        false
+    }
+
     fn get_local_name(self) -> &'a Atom {
         // FIXME(zwarich): Remove this when UFCS lands and there is a better way
         // of disambiguating methods.

components/servo/Cargo.lock

@@ -1055,7 +1055,7 @@ dependencies = [
 [[package]]
 name = "selectors"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-selectors#31e13ceb0e4128e0782490cf683443f93a2289be"
+source = "git+https://github.com/servo/rust-selectors#66e21c10cd1feff49e0d934c1861701bc7cd9c44"
 dependencies = [
  "bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",

ports/cef/Cargo.lock

@@ -1037,7 +1037,7 @@ dependencies = [
 [[package]]
 name = "selectors"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-selectors#31e13ceb0e4128e0782490cf683443f93a2289be"
+source = "git+https://github.com/servo/rust-selectors#66e21c10cd1feff49e0d934c1861701bc7cd9c44"
 dependencies = [
  "bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",

ports/gonk/Cargo.lock

@@ -908,7 +908,7 @@ dependencies = [
 [[package]]
 name = "selectors"
 version = "0.1.0"
-source = "git+https://github.com/servo/rust-selectors#31e13ceb0e4128e0782490cf683443f93a2289be"
+source = "git+https://github.com/servo/rust-selectors#66e21c10cd1feff49e0d934c1861701bc7cd9c44"
 dependencies = [
  "bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cssparser 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",