Upgrade for latest rust.

.gitignore

@@ -2,6 +2,7 @@
 *.a
 *.so
 *.dylib
+*.dSYM
 *.dll
 *.dummy
 *-test

color.rs

@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use std::libc::c_float;
-use std::ascii::to_ascii_lower;
+use std::ascii::StrAsciiExt;
 
 use ast::*;
 use self::color_data::{COLOR_KEYWORDS, COLOR_VALUES};
@@ -34,7 +34,7 @@ pub fn parse_color(component_value: &ComponentValue) -> Option<Color> {
 
 #[inline]
 fn parse_color_keyword(value: &str) -> Option<Color> {
-    let lower_value = to_ascii_lower(value);
+    let lower_value = value.to_ascii_lower();
     match COLOR_KEYWORDS.bsearch_elem(&lower_value.as_slice()) {
         Some(index) => Some(COLOR_VALUES[index]),
         None => if "currentcolor" == lower_value { Some(CurrentColor) }
@@ -82,7 +82,7 @@ fn parse_color_hash(value: &str) -> Option<Color> {
 #[inline]
 fn parse_color_function(name: &str, arguments: &[ComponentValue])
                         -> Option<Color> {
-    let lower_name = to_ascii_lower(name);
+    let lower_name = name.to_ascii_lower();
 
     let (is_rgb, has_alpha) =
         if "rgba" == lower_name { (true, true) }

nth.rs

@@ -3,7 +3,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use std::i32;
-use std::ascii::to_ascii_lower;
+use std::ascii::StrAsciiExt;
+
 use ast::*;
 
 
@@ -19,7 +20,7 @@ pub fn parse_nth(input: &[ComponentValue]) -> Option<(i32, i32)> {
         },
         Some(&Dimension(ref value, ref unit)) => match value.int_value {
             Some(a) => {
-                let unit: &str = to_ascii_lower(unit.as_slice());
+                let unit: &str = unit.as_slice().to_ascii_lower();
                 match unit {
                     "n" => parse_b(iter, a as i32),
                     "n-" => parse_signless_b(iter, a as i32, -1),
@@ -32,7 +33,7 @@ pub fn parse_nth(input: &[ComponentValue]) -> Option<(i32, i32)> {
             _ => None,
         },
         Some(&Ident(ref value)) => {
-            let ident: &str = to_ascii_lower(value.as_slice());
+            let ident: &str = value.as_slice().to_ascii_lower();
             match ident {
                 "even" => parse_end(iter, 2, 0),
                 "odd" => parse_end(iter, 2, 1),
@@ -52,7 +53,7 @@ pub fn parse_nth(input: &[ComponentValue]) -> Option<(i32, i32)> {
         },
         Some(&Delim('+')) => match iter.iter_with_whitespace.next() {
             Some(&Ident(ref value)) => {
-                let ident: &str = to_ascii_lower(value.as_slice());
+                let ident: &str = value.as_slice().to_ascii_lower();
                 match ident {
                     "n" => parse_b(iter, 1),
                     "n-" => parse_signless_b(iter, 1, -1),

parser.rs

@@ -15,7 +15,7 @@
 
 
 use std::iterator::Iterator;
-use std::ascii::eq_ignore_ascii_case;
+use std::ascii::StrAsciiExt;
 
 use ast::*;
 
@@ -244,7 +244,7 @@ fn parse_declaration_important<T: Iterator<Node>>(iter: &mut T) -> bool {
         Some((Ident(value), _)) => value,
         _ => return false,
     };
-    if !eq_ignore_ascii_case(ident_value, "important") { return false }
+    if !ident_value.eq_ignore_ascii_case("important") { return false }
     match next_non_whitespace(iter) {
         Some((Semicolon, _)) => true,
         None => true,

tokenizer.rs

@@ -5,7 +5,7 @@
 // http://dev.w3.org/csswg/css3-syntax/#tokenization
 
 use std::{str, u32, i64, f64};
-use std::ascii::eq_ignore_ascii_case;
+use std::ascii::StrAsciiExt;
 
 use ast::*;
 
@@ -361,7 +361,7 @@ fn is_ident_start(tokenizer: &mut Tokenizer) -> bool {
 fn consume_ident_like(tokenizer: &mut Tokenizer) -> ComponentValue {
     let value = consume_name(tokenizer);
     if !tokenizer.is_eof() && tokenizer.current_char() == '(' {
-        if eq_ignore_ascii_case(value, "url") { consume_url(tokenizer) }
+        if value.eq_ignore_ascii_case("url") { consume_url(tokenizer) }
         else { Function(value, consume_block(tokenizer, CloseParenthesis)) }
     } else {
         Ident(value)