--- a/layout/style/ServoBindingList.h
+++ b/layout/style/ServoBindingList.h
@@ -158,16 +158,19 @@ SERVO_BINDING_FUNC(Servo_Property_IsDisc
 SERVO_BINDING_FUNC(Servo_AnimationValues_Interpolate,
                    RawServoAnimationValueStrong,
                    RawServoAnimationValueBorrowed from,
                    RawServoAnimationValueBorrowed to,
                    double progress)
 SERVO_BINDING_FUNC(Servo_AnimationValues_IsInterpolable, bool,
                    RawServoAnimationValueBorrowed from,
                    RawServoAnimationValueBorrowed to)
+SERVO_BINDING_FUNC(Servo_AnimationValues_ComputeDistance, double,
+                   RawServoAnimationValueBorrowed from,
+                   RawServoAnimationValueBorrowed to)
 SERVO_BINDING_FUNC(Servo_AnimationValue_Serialize, void,
                    RawServoAnimationValueBorrowed value,
                    nsCSSPropertyID property,
                    nsAString* buffer)
 SERVO_BINDING_FUNC(Servo_AnimationValue_GetOpacity, float,
                    RawServoAnimationValueBorrowed value)
 SERVO_BINDING_FUNC(Servo_AnimationValue_GetTransform, void,
                    RawServoAnimationValueBorrowed value,