1 files changed, 9 insertions, 0 deletions
diff --git a/widget/LookAndFeel.h b/widget/LookAndFeel.h
index 8d510f69f..e2502c559 100644
--- a/widget/LookAndFeel.h
+++ b/widget/LookAndFeel.h
@@ -250,6 +250,15 @@ public:
      * should return NS_ERROR_NOT_IMPLEMENTED when queried for this metric.
      */
     eIntID_WindowsAccentColorApplies,
+    
+    /*
+     * A Boolean value to determine whether the Windows accent color
+     * is considered dark and should get bright text/controls.
+     *
+     * 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_WindowsAccentColorIsDark,
 
     /*
      * A Boolean value to determine whether the Windows default theme is