 index 0000000..6c950c8
 Binary files /dev/null and b/third_party/WebKit/LayoutTests/http/tests/ironframe/tile.gif differ
 diff --git a/third_party/WebKit/Source/core/core.gypi b/third_party/WebKit/Source/core/core.gypi
-index 54599e0..7ffd89b 100644
+index 1e1a01c..3a96f2b 100644
 --- a/third_party/WebKit/Source/core/core.gypi
 +++ b/third_party/WebKit/Source/core/core.gypi
 @@ -131,6 +131,7 @@

         // numbers of any item, and don't reuse removed slots.
         // Also, run update_use_counter_feature_enum.py in chromium/src/tools/metrics/histograms/
diff --git a/third_party/WebKit/Source/core/layout/LayoutView.cpp b/third_party/WebKit/Source/core/layout/LayoutView.cpp
index 88a2b50..1195aff 100644
--- a/third_party/WebKit/Source/core/layout/LayoutView.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutView.cpp
@@ -24,7 +24,9 @@

 
             DCHECK(lifecycle().state() >= DocumentLifecycle::CompositingClean);
diff --git a/third_party/WebKit/Source/core/frame/UseCounter.h b/third_party/WebKit/Source/core/frame/UseCounter.h
index f7bf9a3..8aa3013 100644
--- a/third_party/WebKit/Source/core/frame/UseCounter.h
+++ b/third_party/WebKit/Source/core/frame/UseCounter.h
@@ -1278,6 +1278,8 @@ public:
         CSSValueAppearanceTextFieldForSearch = 1474,
         CSSValueAppearanceTextFieldForTextField = 1475,
 
+        DocumentCreateEventRequestedVisibilityEvent = 1500,
+
