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

third_party/WebKit/Source/core/input/EventHandler.cpp

Index: third_party/WebKit/Source/core/input/EventHandler.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandler.cpp b/third_party/WebKit/Source/core/input/EventHandler.cpp
index 5310a5bd9647c2fa2c37b82be06fa5f3442b2cd0..4c1960d0c007a6724d68610cd2243e911e2e2883 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandler.cpp
@@ -274,8 +274,9 @@ HitTestResult EventHandler::hitTestResultAtPoint(
 
   m_frame->contentLayoutItem().hitTest(result);
   if (!request.readOnly()) {
-    m_frame->document()->updateHoverActiveState(request, result.innerElement(),
-                                                result.scrollbar());
+    m_frame->document()->updateHoverActiveState(
+        request, result.innerElement(),
+        result.scrollbar() && result.scrollbar()->isOverlayScrollbar());
   }
 
   return result;
@@ -1858,8 +1859,9 @@ WebInputEventResult EventHandler::sendContextMenuEventForKey(
   HitTestRequest request(HitTestRequest::Active);
   HitTestResult result(request, locationInRootFrame);
   result.setInnerNode(targetNode);
-  doc->updateHoverActiveState(request, result.innerElement(),
-                              result.scrollbar());
+  doc->updateHoverActiveState(
+      request, result.innerElement(),
+      result.scrollbar() && result.scrollbar()->isOverlayScrollbar());
 
   // The contextmenu event is a mouse event even when invoked using the
   // keyboard.  This is required for web compatibility.
@@ -1926,7 +1928,8 @@ void EventHandler::hoverTimerFired(TimerBase*) {
                                m_mouseEventManager->lastKnownMousePosition()));
       layoutItem.hitTest(result);
       m_frame->document()->updateHoverActiveState(
-          request, result.innerElement(), result.scrollbar());
+          request, result.innerElement(),
+          result.scrollbar() && result.scrollbar()->isOverlayScrollbar());
     }
   }
 }