WIP: delegatesFocus

Source/core/page/EventHandler.h

Index: Source/core/page/EventHandler.h
diff --git a/Source/core/page/EventHandler.h b/Source/core/page/EventHandler.h
index a2314445140e2e5224e4b092500258fd976636db..55d4ace78f24273b8d077480bc7a6e424744bdbc 100644
--- a/Source/core/page/EventHandler.h
+++ b/Source/core/page/EventHandler.h
@@ -325,8 +325,9 @@ private:
 
     bool shouldTopControlsConsumeScroll(FloatSize) const;
 
-    // If the given element is a shadow host with tabStop = false, slide focus to its inner
-    // element. Returns true if the resulting focus is different from the given element.
+    // If the given element is a shadow host and its root has delegatesFocus=false flag,
+    // slide focus to its inner element. Returns true if the resulting focus is different from
+    // the given element.
     bool slideFocusOnShadowHostIfNecessary(const Element&);
 
     // NOTE: If adding a new field to this class please ensure that it is