1 files changed, 9 insertions, 0 deletions
diff --git a/widget/LookAndFeel.h b/widget/LookAndFeel.h
index 3a4929c9f..b7a05748e 100644
--- a/widget/LookAndFeel.h
+++ b/widget/LookAndFeel.h
@@ -239,6 +239,15 @@ public:
     eIntID_ChosenMenuItemsShouldBlink,
 
     /*
+     * A Boolean value to determine whether the Windows accent color
+     * should be applied to the title bar.
+     *
+     * The value of this metric is not used on other platforms. These platforms
+     * should return NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
+     */
+    eIntID_WindowsAccentColorApplies,
+
+    /*
      * A Boolean value to determine whether the Windows default theme is
      * being used.
      *