--- a/browser/base/content/test/performance/browser_toolbariconcolor_restyles.js
+++ b/browser/base/content/test/performance/browser_toolbariconcolor_restyles.js
@@ -23,30 +23,30 @@ add_task(async function test_toolbar_ele
 
   // Clear the focused element from each window so that when
   // we raise them, the focus of the element doesn't cause an
   // unrelated style flush.
   Services.focus.clearFocus(win1);
   Services.focus.clearFocus(win2);
 
   let utils1 = SpecialPowers.getDOMWindowUtils(win1);
-  restyles.win1.initial = utils1.elementsRestyled;
+  restyles.win1.initial = utils1.restyleGeneration;
 
   let utils2 = SpecialPowers.getDOMWindowUtils(win2);
-  restyles.win2.initial = utils2.elementsRestyled;
+  restyles.win2.initial = utils2.restyleGeneration;
 
   // switch back to 1st window, and snapshot elementsStyled
   Services.focus.activeWindow = win1;
-  restyles.win1.activate = utils1.elementsRestyled;
-  restyles.win2.deactivate = utils2.elementsRestyled;
+  restyles.win1.activate = utils1.restyleGeneration;
+  restyles.win2.deactivate = utils2.restyleGeneration;
 
   // switch back to 2nd window, and snapshot elementsStyled
   Services.focus.activeWindow = win2;
-  restyles.win2.activate = utils2.elementsRestyled;
-  restyles.win1.deactivate = utils1.elementsRestyled;
+  restyles.win2.activate = utils2.restyleGeneration;
+  restyles.win1.deactivate = utils1.restyleGeneration;
 
   is(restyles.win1.activate - restyles.win1.deactivate, 0,
       "No elements restyled when re-activating/deactivating a window");
   is(restyles.win2.activate - restyles.win2.deactivate, 0,
       "No elements restyled when re-activating/deactivating a window");
 
   await BrowserTestUtils.closeWindow(win1);
   await BrowserTestUtils.closeWindow(win2);