 +    DOMString message;
 +};
 diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
-index 2d787cd..fd0004a 100644
+index 83321cd..45d8750 100644
 --- a/third_party/WebKit/Source/core/frame/FrameView.cpp
 +++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
 @@ -42,6 +42,7 @@

 #include "core/frame/FrameHost.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Location.h"
@@ -2660,6 +2661,14 @@ void FrameView::updateLifecyclePhasesInternal(DocumentLifecycle::LifecycleState
                 forAllNonThrottledFrameViews([](FrameView& frameView) { frameView.layoutView()->commitPendingSelection(); });
             }
 

   "$blink_core_output_dir/events/EventInit.h",
   "$blink_core_output_dir/events/EventListenerOptions.cpp",
diff --git a/third_party/WebKit/Source/core/BUILD.gn b/third_party/WebKit/Source/core/BUILD.gn
index 8e267ba..d39ca0c 100644
--- a/third_party/WebKit/Source/core/BUILD.gn
+++ b/third_party/WebKit/Source/core/BUILD.gn
@@ -272,6 +272,7 @@ generate_event_interfaces("core_event_interfaces") {
     "events/CustomEvent.idl",
     "events/DragEvent.idl",
     "events/ErrorEvent.idl",
