Remove unused Keyframe::parse method

components/style/keyframes.rs

@@ -73,27 +73,6 @@ pub struct Keyframe {
     pub declarations: Arc<Vec<PropertyDeclaration>>,
 }
 
-impl Keyframe {
-    pub fn parse(context: &ParserContext, input: &mut Parser) -> Result<Keyframe, ()> {
-        let percentages = try!(input.parse_until_before(Delimiter::CurlyBracketBlock, |input| {
-            input.parse_comma_separated(|input| KeyframePercentage::parse(input))
-        }));
-        let selector = KeyframeSelector(percentages);
-
-        try!(input.expect_curly_bracket_block());
-
-        let declarations = input.parse_nested_block(|input| {
-            Ok(parse_property_declaration_list(context, input))
-        }).unwrap();
-
-        // NB: Important declarations are explicitely ignored in the spec.
-        Ok(Keyframe {
-            selector: selector,
-            declarations: declarations.normal,
-        })
-    }
-}
-
 /// A keyframes step value. This can be a synthetised keyframes animation, that
 /// is, one autogenerated from the current computed values, or a list of
 /// declarations to apply.