--- a/layout/style/ServoBindingList.h
+++ b/layout/style/ServoBindingList.h
@@ -55,17 +55,17 @@ SERVO_BINDING_FUNC(Servo_StyleSet_Prepen
                    RawServoStyleSetBorrowed set, RawServoStyleSheetBorrowed sheet, bool flush)
 SERVO_BINDING_FUNC(Servo_StyleSet_RemoveStyleSheet, void,
                    RawServoStyleSetBorrowed set, RawServoStyleSheetBorrowed sheet, bool flush)
 SERVO_BINDING_FUNC(Servo_StyleSet_InsertStyleSheetBefore, void,
                    RawServoStyleSetBorrowed set, RawServoStyleSheetBorrowed sheet,
                    RawServoStyleSheetBorrowed reference, bool flush)
 SERVO_BINDING_FUNC(Servo_StyleSet_FlushStyleSheets, void, RawServoStyleSetBorrowed set)
 SERVO_BINDING_FUNC(Servo_StyleSet_NoteStyleSheetsChanged, void,
-                   RawServoStyleSetBorrowed set)
+                   RawServoStyleSetBorrowed set, bool author_style_disabled)
 SERVO_BINDING_FUNC(Servo_StyleSet_FillKeyframesForName, bool,
                    RawServoStyleSetBorrowed set,
                    const nsACString* property,
                    nsTimingFunctionBorrowed timing_function,
                    ServoComputedValuesBorrowed computed_values,
                    RawGeckoKeyframeListBorrowedMut keyframe_list)
 SERVO_BINDING_FUNC(Servo_StyleSet_GetFontFaceRules, void,
                    RawServoStyleSetBorrowed set,

--- a/layout/style/ServoStyleSet.cpp
+++ b/layout/style/ServoStyleSet.cpp
@@ -807,17 +807,17 @@ ServoStyleSet::StyleSubtreeForReconstruc
                               TraversalRootBehavior::Normal,
                               TraversalRestyleBehavior::ForReconstruct);
   MOZ_ASSERT(!postTraversalRequired);
 }
 
 void
 ServoStyleSet::NoteStyleSheetsChanged()
 {
-  Servo_StyleSet_NoteStyleSheetsChanged(mRawSet.get());
+  Servo_StyleSet_NoteStyleSheetsChanged(mRawSet.get(), mAuthorStyleDisabled);
 }
 
 #ifdef DEBUG
 void
 ServoStyleSet::AssertTreeIsClean()
 {
   DocumentStyleRootIterator iter(mPresContext->Document());
   while (Element* root = iter.GetNextStyleRoot()) {