  #include "core/frame/FrameHost.h"
  #include "core/frame/LocalFrame.h"
  #include "core/frame/Location.h"
-@@ -2558,6 +2559,15 @@ void FrameView::updateLifecyclePhasesInternal(DocumentLifecycle::LifecycleState
+@@ -2559,6 +2560,15 @@ void FrameView::updateLifecyclePhasesInternal(DocumentLifecycle::LifecycleState
              // This was required for slimming paint v1 but is only temporarily
              // needed for slimming paint v2.
              view.compositor()->updateIfNeededRecursive();

             'events/EventInit.idl',
             'events/EventListenerOptions.idl',
             'events/EventModifierInit.idl',
@@ -3837,6 +3842,8 @@
             '<(blink_core_output_dir)/events/DragEventInit.h',
             '<(blink_core_output_dir)/events/ErrorEventInit.cpp',
             '<(blink_core_output_dir)/events/ErrorEventInit.h',

+    DOMString message;
+};
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 5c308d5..4c9d74a 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -40,6 +40,7 @@
