Set Adjacent::Position case-insensitive

components/script/dom/element.rs

@@ -129,12 +129,12 @@ pub enum AdjacentPosition {
 
 impl AdjacentPosition {
     pub fn parse(position: &str) -> Fallible<AdjacentPosition> {
-        match position {
+        match_ignore_ascii_case! { &*position,
             "beforebegin" => Ok(AdjacentPosition::BeforeBegin),
-            "afterbegin"  => Ok(AdjacentPosition::AfterEnd),
-            "beforeend"   => Ok(AdjacentPosition::AfterBegin),
-            "afterend"    => Ok(AdjacentPosition::BeforeEnd),
-            _             => Err(Error::Syntax),
+            "afterbegin"  => Ok(AdjacentPosition::AfterBegin),
+            "beforeend"   => Ok(AdjacentPosition::BeforeEnd),
+            "afterend"    => Ok(AdjacentPosition::AfterEnd),
+            _             => Err(Error::Syntax)
         }
     }
 }

components/script/lib.rs

@@ -39,6 +39,7 @@ extern crate canvas;
 extern crate canvas_traits;
 extern crate caseless;
 extern crate core;
+#[macro_use]
 extern crate cssparser;
 extern crate devtools_traits;
 extern crate encoding;