diff --git a/servo/components/style_traits/values.rs b/servo/components/style_traits/values.rs
--- a/servo/components/style_traits/values.rs
+++ b/servo/components/style_traits/values.rs
@@ -387,15 +387,15 @@
         mut parse_one: F,
     ) -> Result<Vec<T>, ParseError<'i, E>>
     where
         F: for<'tt> FnMut(&mut Parser<'i, 'tt>) -> Result<T, ParseError<'i, E>>,
     {
-        input.skip_whitespace(); // Unnecessary for correctness, but may help try() rewind less.
+        input.skip_whitespace(); // Unnecessary for correctness, but may help try_parse() rewind less.
         let mut results = vec![parse_one(input)?];
         loop {
-            input.skip_whitespace(); // Unnecessary for correctness, but may help try() rewind less.
-            if let Ok(item) = input.try(&mut parse_one) {
+            input.skip_whitespace(); // Unnecessary for correctness, but may help try_parse() rewind less.
+            if let Ok(item) = input.try_parse(&mut parse_one) {
                 results.push(item);
             } else {
                 return Ok(results);
             }
         }
@@ -412,18 +412,18 @@
         mut parse_one: F,
     ) -> Result<Vec<T>, ParseError<'i, E>>
     where
         F: for<'tt> FnMut(&mut Parser<'i, 'tt>) -> Result<T, ParseError<'i, E>>,
     {
-        input.skip_whitespace(); // Unnecessary for correctness, but may help try() rewind less.
+        input.skip_whitespace(); // Unnecessary for correctness, but may help try_parse() rewind less.
         let mut results = vec![parse_one(input)?];
         loop {
-            input.skip_whitespace(); // Unnecessary for correctness, but may help try() rewind less.
+            input.skip_whitespace(); // Unnecessary for correctness, but may help try_parse() rewind less.
             let comma_location = input.current_source_location();
-            let comma = input.try(|i| i.expect_comma()).is_ok();
-            input.skip_whitespace(); // Unnecessary for correctness, but may help try() rewind less.
-            if let Ok(item) = input.try(&mut parse_one) {
+            let comma = input.try_parse(|i| i.expect_comma()).is_ok();
+            input.skip_whitespace(); // Unnecessary for correctness, but may help try_parse() rewind less.
+            if let Ok(item) = input.try_parse(&mut parse_one) {
                 results.push(item);
             } else if comma {
                 return Err(comma_location.new_unexpected_token_error(Token::Comma));
             } else {
                 break;
diff --git a/servo/ports/geckolib/cbindgen.toml b/servo/ports/geckolib/cbindgen.toml
--- a/servo/ports/geckolib/cbindgen.toml
+++ b/servo/ports/geckolib/cbindgen.toml
@@ -360,11 +360,10 @@
 "gfxFontVariation" = "gfxFontVariation"
 "URLExtraData" = "URLExtraData"
 "Keyframe" = "Keyframe"
 "nsChangeHint" = "nsChangeHint"
 "ServoElementSnapshotTable" = "ServoElementSnapshotTable"
-"Keyframe" = "Keyframe"
 "ComputedKeyframeValues" = "ComputedKeyframeValues"
 "OriginFlags" = "OriginFlags"
 "ServoTraversalFlags" = "ServoTraversalFlags"
 "ServoStyleSetSizes" = "ServoStyleSetSizes"
 "BeforeFlag" = "StyleEasingBeforeFlag"