Document::updateHoverActiveState only cancel hover and active state when hitting native scrollbar

third_party/WebKit/Source/core/dom/Document.h

Index: third_party/WebKit/Source/core/dom/Document.h
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
index ff648dc54f5941a13b4b95676d00e4ed9ddc3074..7a99069f7c76c3d14dc9a444649a85354d0f125f 100644
--- a/third_party/WebKit/Source/core/dom/Document.h
+++ b/third_party/WebKit/Source/core/dom/Document.h
@@ -59,6 +59,7 @@
 #include "platform/Length.h"
 #include "platform/Timer.h"
 #include "platform/WebTaskRunner.h"
+#include "platform/scroll/Scrollbar.h"

[bokan, 2016/11/23 17:09:51]

Nit: this can just be a forward declaration below

 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/ReferrerPolicy.h"
 #include "public/platform/WebFocusType.h"
@@ -725,9 +726,7 @@ class CORE_EXPORT Document : public ContainerNode,
   void hoveredNodeDetached(Element&);
   void activeChainNodeDetached(Element&);
 
-  void updateHoverActiveState(const HitTestRequest&,
-                              Element*,
-                              bool hitScrollbar);
+  void updateHoverActiveState(const HitTestRequest&, Element*, Scrollbar*);
 
   // Updates for :target (CSS3 selector).
   void setCSSTarget(Element*);