diff --git a/dom/chrome-webidl/BrowsingContext.webidl b/dom/chrome-webidl/BrowsingContext.webidl
index d0508a8c29e5bd008213f781beb8eb1fcb458fb8..31130786d4f8e22f2327162c001f786a198bf582 100644
--- a/dom/chrome-webidl/BrowsingContext.webidl
+++ b/dom/chrome-webidl/BrowsingContext.webidl
@@ -179,6 +179,10 @@ interface BrowsingContext {
 
   [SetterThrows] attribute float textZoom;
 
+  [SetterThrows] attribute long zenBoostsData;
+  [SetterThrows] attribute float zenBoostsComplementaryRotation;
+  [SetterThrows] attribute boolean isZenBoostsInverted;
+
   // Override the dots-per-CSS-pixel scaling factor in this BrowsingContext
   // and all of its descendants. May only be set on the top BC, and should
   // only be set from the parent process.
