1 files changed, 3 insertions, 2 deletions
diff --git a/chromium/third_party/WebKit/Source/core/html/track/vtt/VTTRegion.idl b/chromium/third_party/WebKit/Source/core/html/track/vtt/VTTRegion.idl
index 398f7404b97..1a28e70b4da 100644
--- a/chromium/third_party/WebKit/Source/core/html/track/vtt/VTTRegion.idl
+++ b/chromium/third_party/WebKit/Source/core/html/track/vtt/VTTRegion.idl
@@ -25,7 +25,9 @@
 
 [
     Constructor,
-    RuntimeEnabled=WebVTTRegions
+    RuntimeEnabled=WebVTTRegions,
+    TypeChecking=Unrestricted,
+    WillBeGarbageCollected,
 ] interface VTTRegion {
     readonly attribute TextTrack track;
 
@@ -38,4 +40,3 @@
     [RaisesException=Setter] attribute double viewportAnchorY;
     [RaisesException=Setter] attribute DOMString scroll;
 };
-