Add a flag to update hover effect when a layout is changed

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 716 matching lines @@
     frame_->GetChromeClient().OnMouseDown(*result.InnerNode());
   }
 
   return event_result;
 }
 
 WebInputEventResult EventHandler::HandleMouseMoveEvent(
     const WebMouseEvent& event,
     const Vector<WebMouseEvent>& coalesced_events) {
   TRACE_EVENT0("blink", "EventHandler::handleMouseMoveEvent");
-
   HitTestResult hovered_node = HitTestResult();
   WebInputEventResult result =
       HandleMouseMoveOrLeaveEvent(event, coalesced_events, &hovered_node);
 
   Page* page = frame_->GetPage();
   if (!page)
     return result;
 
   if (PaintLayer* layer =
           EventHandlingUtil::LayerForNode(hovered_node.InnerNode())) {
@@ skipping 1141 matching lines @@
 
   // TODO(https://crbug.com/668758): Use a normal BeginFrame update for this.
   if (!cursor_update_timer_.IsActive())
     cursor_update_timer_.StartOneShot(kCursorUpdateInterval, BLINK_FROM_HERE);
 }
 
 bool EventHandler::CursorUpdatePending() {
   return cursor_update_timer_.IsActive();
 }
 
-void EventHandler::DispatchFakeMouseMoveEventSoon() {
-  mouse_event_manager_->DispatchFakeMouseMoveEventSoon();
+bool EventHandler::FakeMouseMovePending() const {
+  return mouse_event_manager_->FakeMouseMovePending();
+}
+
+void EventHandler::DispatchFakeMouseMoveEventSoon(
+    MouseEventManager::FakeMouseMoveReason fake_mouse_move_reason) {
+  mouse_event_manager_->DispatchFakeMouseMoveEventSoon(fake_mouse_move_reason);
 }
 
 void EventHandler::DispatchFakeMouseMoveEventSoonInQuad(const FloatQuad& quad) {
   mouse_event_manager_->DispatchFakeMouseMoveEventSoonInQuad(quad);
 }
 
 void EventHandler::SetResizingFrameSet(HTMLFrameSetElement* frame_set) {
   frame_set_being_resized_ = frame_set;
 }
 
@@ skipping 185 matching lines @@
     MouseEventWithHitTestResults& mev,
     LocalFrame* subframe) {
   WebInputEventResult result =
       subframe->GetEventHandler().HandleMouseReleaseEvent(mev.Event());
   if (result != WebInputEventResult::kNotHandled)
     return result;
   return WebInputEventResult::kHandledSystem;
 }
 
 }  // namespace blink