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

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 794 matching lines @@
     hitType |= HitTestRequest::Active | HitTestRequest::ReadOnly;
   HitTestRequest request(hitType);
   MouseEventWithHitTestResults mev = MouseEventWithHitTestResults(
       mouseEvent, HitTestResult(request, LayoutPoint()));
 
   // We don't want to do a hit-test in forceLeave scenarios because there might
   // actually be some other frame above this one at the specified co-ordinate.
   // So we must force the hit-test to fail, while still clearing hover/active
   // state.
   if (forceLeave) {
-    m_frame->document()->updateHoverActiveState(request, nullptr, false);
+    m_frame->document()->updateHoverActiveState(request, nullptr, nullptr);
   } else {
     mev = EventHandlingUtil::performMouseEventHitTest(m_frame, request,
                                                       mouseEvent);
   }
 
   if (hoveredNode)
     *hoveredNode = mev.hitTestResult();
 
   Scrollbar* scrollbar = nullptr;
 
@@ skipping 693 matching lines @@
 
       LocalFrame* oldHoverFrame = toLocalFrame(owner->contentFrame());
       Document* doc = oldHoverFrame->document();
       if (!doc)
         break;
 
       oldHoverNodeInCurDoc = doc->hoverNode();
       // If the old hovered frame is different from the new hovered frame.
       // we should clear the old hovered node from the old hovered frame.
       if (newHoverFrame != oldHoverFrame)
-        doc->updateHoverActiveState(request, nullptr, false);
+        doc->updateHoverActiveState(request, nullptr, nullptr);
     }
   }
 
   // Recursively set the new active/hover states on every frame in the chain of
   // innerElement.
-  m_frame->document()->updateHoverActiveState(request, innerElement, false);
+  m_frame->document()->updateHoverActiveState(request, innerElement, nullptr);
 }
 
 // Update the mouseover/mouseenter/mouseout/mouseleave events across all frames
 // for this gesture, before passing the targeted gesture event directly to a hit
 // frame.
 void EventHandler::updateGestureTargetNodeForMouseEvent(
     const GestureEventWithHitTestResults& targetedEvent) {
   ASSERT(m_frame == m_frame->localFrameRoot());
 
   // Behaviour of this function is as follows:
@@ skipping 388 matching lines @@
 void EventHandler::activeIntervalTimerFired(TimerBase*) {
   TRACE_EVENT0("input", "EventHandler::activeIntervalTimerFired");
   m_activeIntervalTimer.stop();
 
   if (m_frame && m_frame->document() && m_lastDeferredTapElement) {
     // FIXME: Enable condition when http://crbug.com/226842 lands
     // m_lastDeferredTapElement.get() == m_frame->document()->activeElement()
     HitTestRequest request(HitTestRequest::TouchEvent |
                            HitTestRequest::Release);
     m_frame->document()->updateHoverActiveState(
-        request, m_lastDeferredTapElement.get(), false);
+        request, m_lastDeferredTapElement.get(), nullptr);
   }
   m_lastDeferredTapElement = nullptr;
 }
 
 void EventHandler::notifyElementActivated() {
   // Since another element has been set to active, stop current timer and clear
   // reference.
   m_activeIntervalTimer.stop();
   m_lastDeferredTapElement = nullptr;
 }
@@ skipping 147 matching lines @@
 }
 
 FrameHost* EventHandler::frameHost() const {
   if (!m_frame->page())
     return nullptr;
 
   return &m_frame->page()->frameHost();
 }
 
 }  // namespace blink