diff --git a/features_override.gypi b/features_override.gypi
index 5798b434c..0fdf439f4 100644
--- a/features_override.gypi
+++ b/features_override.gypi
@@ -46,6 +46,7 @@
       'ENABLE_OFFLINE_WEB_APPLICATIONS=1',
       'ENABLE_OPENTYPE_SANITIZER=1',
       'ENABLE_ORIENTATION_EVENTS=0',
+      'ENABLE_PAGE_VISIBILITY_API=1',
       'ENABLE_PROGRESS_TAG=1',
       'ENABLE_QUOTA=1',
       'ENABLE_REQUEST_ANIMATION_FRAME=1',