--- a/servo/components/style/gecko_bindings/structs_debug.rs
+++ b/servo/components/style/gecko_bindings/structs_debug.rs
@@ -8369,27 +8369,27 @@ pub enum StyleDisplay {
     Ruby = 19,
     RubyBase = 20,
     RubyBaseContainer = 21,
     RubyText = 22,
     RubyTextContainer = 23,
     Contents = 24,
     WebkitBox = 25,
     WebkitInlineBox = 26,
-    Box = 27,
-    InlineBox = 28,
-    XulGrid = 29,
-    InlineXulGrid = 30,
-    XulGridGroup = 31,
-    XulGridLine = 32,
-    Stack = 33,
-    InlineStack = 34,
-    Deck = 35,
-    Groupbox = 36,
-    Popup = 37,
+    MozBox = 27,
+    MozInlineBox = 28,
+    MozGrid = 29,
+    MozInlineGrid = 30,
+    MozGridGroup = 31,
+    MozGridLine = 32,
+    MozStack = 33,
+    MozInlineStack = 34,
+    MozDeck = 35,
+    MozGroupbox = 36,
+    MozPopup = 37,
 }
 pub const nsStyleUnit_eStyleUnit_MAX: nsStyleUnit =
     nsStyleUnit::eStyleUnit_Calc;
 #[repr(u8)]
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum nsStyleUnit {
     eStyleUnit_Null = 0,
     eStyleUnit_Normal = 1,

--- a/servo/components/style/gecko_bindings/structs_release.rs
+++ b/servo/components/style/gecko_bindings/structs_release.rs
@@ -8301,27 +8301,27 @@ pub enum StyleDisplay {
     Ruby = 19,
     RubyBase = 20,
     RubyBaseContainer = 21,
     RubyText = 22,
     RubyTextContainer = 23,
     Contents = 24,
     WebkitBox = 25,
     WebkitInlineBox = 26,
-    Box = 27,
-    InlineBox = 28,
-    XulGrid = 29,
-    InlineXulGrid = 30,
-    XulGridGroup = 31,
-    XulGridLine = 32,
-    Stack = 33,
-    InlineStack = 34,
-    Deck = 35,
-    Groupbox = 36,
-    Popup = 37,
+    MozBox = 27,
+    MozInlineBox = 28,
+    MozGrid = 29,
+    MozInlineGrid = 30,
+    MozGridGroup = 31,
+    MozGridLine = 32,
+    MozStack = 33,
+    MozInlineStack = 34,
+    MozDeck = 35,
+    MozGroupbox = 36,
+    MozPopup = 37,
 }
 pub const nsStyleUnit_eStyleUnit_MAX: nsStyleUnit =
     nsStyleUnit::eStyleUnit_Calc;
 #[repr(u8)]
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 pub enum nsStyleUnit {
     eStyleUnit_Null = 0,
     eStyleUnit_Normal = 1,