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 256 matching lines @@
   // the user can't have intentionally clicked on something belonging to this
   // page.  Furthermore, mousemove events before the first layout should not
   // lead to a premature layout() happening, which could show a flash of white.
   // See also the similar code in Document::performMouseEventHitTest.
   if (m_frame->contentLayoutItem().isNull() || !m_frame->view() ||
       !m_frame->view()->didFirstLayout())
     return result;
 
   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;
 }
 
 void EventHandler::stopAutoscroll() {
   m_scrollManager->stopAutoscroll();
 }
 
 // TODO(bokan): This should be merged with logicalScroll assuming
@@ skipping 1562 matching lines @@
 
   Node* targetNode =
       overrideTargetElement ? overrideTargetElement : doc->focusedElement();
   if (!targetNode)
     targetNode = doc;
 
   // Use the focused node as the target for hover and active.
   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.
   PlatformEvent::EventType eventType = PlatformEvent::MousePressed;
   if (m_frame->settings() && m_frame->settings()->showContextMenuOnMouseUp())
     eventType = PlatformEvent::MouseReleased;
 
   PlatformMouseEvent mouseEvent(
       locationInRootFrame, globalPosition,
       WebPointerProperties::Button::NoButton, eventType, /* clickCount */ 0,
@@ skipping 46 matching lines @@
   ASSERT(m_frame->document());
 
   if (LayoutViewItem layoutItem = m_frame->contentLayoutItem()) {
     if (FrameView* view = m_frame->view()) {
       HitTestRequest request(HitTestRequest::Move);
       HitTestResult result(request,
                            view->rootFrameToContents(
                                m_mouseEventManager->lastKnownMousePosition()));
       layoutItem.hitTest(result);
       m_frame->document()->updateHoverActiveState(
-          request, result.innerElement(), result.scrollbar());
+          request, result.innerElement(),
+          result.scrollbar() && result.scrollbar()->isOverlayScrollbar());
     }
   }
 }
 
 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
@@ skipping 162 matching lines @@
 }
 
 FrameHost* EventHandler::frameHost() const {
   if (!m_frame->page())
     return nullptr;
 
   return &m_frame->page()->frameHost();
 }
 
 }  // namespace blink