From 08e7cf24cd0cdb2f1c0d95718e388b7ab0f4e8ed Mon Sep 17 00:00:00 2001
From: Bruno de Oliveira Abinader <bruno.d@partner.samsung.com>
Date: Fri, 12 Dec 2014 12:54:02 -0400
Subject: [PATCH] DOMTokenList::check_token_exceptions now returns an Atom

---
 components/script/dom/domtokenlist.rs | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/components/script/dom/domtokenlist.rs b/components/script/dom/domtokenlist.rs
index 6ba0307b14e0..4169e87487fb 100644
--- a/components/script/dom/domtokenlist.rs
+++ b/components/script/dom/domtokenlist.rs
@@ -5,7 +5,7 @@
 use dom::attr::{Attr, AttrHelpers};
 use dom::bindings::codegen::Bindings::DOMTokenListBinding;
 use dom::bindings::codegen::Bindings::DOMTokenListBinding::DOMTokenListMethods;
-use dom::bindings::error::Fallible;
+use dom::bindings::error::{ErrorResult, Fallible};
 use dom::bindings::error::Error::{InvalidCharacter, Syntax};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::{JS, JSRef, Temporary, OptionalRootable};
@@ -48,7 +48,7 @@ impl Reflectable for DOMTokenList {
 
 trait PrivateDOMTokenListHelpers {
     fn attribute(self) -> Option<Temporary<Attr>>;
-    fn check_token_exceptions<'a>(self, token: &'a str) -> Fallible<&'a str>;
+    fn check_token_exceptions<'a>(self, token: &'a str) -> Fallible<Atom>;
 }
 
 impl<'a> PrivateDOMTokenListHelpers for JSRef<'a, DOMTokenList> {
@@ -57,11 +57,11 @@ impl<'a> PrivateDOMTokenListHelpers for JSRef<'a, DOMTokenList> {
         element.get_attribute(ns!(""), &self.local_name)
     }
 
-    fn check_token_exceptions<'a>(self, token: &'a str) -> Fallible<&'a str> {
+    fn check_token_exceptions<'a>(self, token: &'a str) -> Fallible<Atom> {
         match token {
             "" => Err(Syntax),
-            token if token.find(HTML_SPACE_CHARACTERS).is_some() => Err(InvalidCharacter),
-            token => Ok(token)
+            slice if slice.find(HTML_SPACE_CHARACTERS).is_some() => Err(InvalidCharacter),
+            slice => Ok(Atom::from_slice(slice))
         }
     }
 }
@@ -90,13 +90,13 @@ impl<'a> DOMTokenListMethods for JSRef<'a, DOMTokenList> {
 
     // http://dom.spec.whatwg.org/#dom-domtokenlist-contains
     fn Contains(self, token: DOMString) -> Fallible<bool> {
-        self.check_token_exceptions(token.as_slice()).map(|slice| {
+        self.check_token_exceptions(token.as_slice()).map(|token| {
             self.attribute().root().map(|attr| {
-                let value = attr.value();
-                let tokens = value.tokens()
-                                  .expect("Should have parsed this attribute");
-                let atom = Atom::from_slice(slice);
-                tokens.iter().any(|token| *token == atom)
+                attr.value()
+                    .tokens()
+                    .expect("Should have parsed this attribute")
+                    .iter()
+                    .any(|atom| *atom == token)
             }).unwrap_or(false)
         })
     }