Convert the mouse exit only use for update UI hover state to mouse move

ui/events/event.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/event.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 
@@ skipping 552 matching lines @@
       offset(other.offset) {}
 
 const PointerId PointerDetails::kUnknownPointerId = -1;
 
 ////////////////////////////////////////////////////////////////////////////////
 // MouseEvent
 
 MouseEvent::MouseEvent(const base::NativeEvent& native_event)
     : LocatedEvent(native_event),
       changed_button_flags_(GetChangedMouseButtonFlagsFromNative(native_event)),
-      pointer_details_(GetMousePointerDetailsFromNative(native_event)) {
+      pointer_details_(GetMousePointerDetailsFromNative(native_event)),
+      only_for_ui_hover_state_(false) {
   latency()->AddLatencyNumberWithTimestamp(
       INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 0, 0,
       base::TimeTicks::FromInternalValue(time_stamp().ToInternalValue()), 1);
   latency()->AddLatencyNumber(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, 0);
   if (type() == ET_MOUSE_PRESSED || type() == ET_MOUSE_RELEASED)
     SetClickCount(GetRepeatCount(*this));
 }
 
 MouseEvent::MouseEvent(const PointerEvent& pointer_event)
     : LocatedEvent(pointer_event),
       changed_button_flags_(pointer_event.changed_button_flags()),
-      pointer_details_(pointer_event.pointer_details()) {
+      pointer_details_(pointer_event.pointer_details()),
+      only_for_ui_hover_state_(false) {
   DCHECK(pointer_event.IsMousePointerEvent());
   switch (pointer_event.type()) {
     case ET_POINTER_DOWN:
       SetType(ET_MOUSE_PRESSED);
       break;
 
     case ET_POINTER_MOVED:
       if (pointer_event.flags() &
           (EF_LEFT_MOUSE_BUTTON | EF_MIDDLE_MOUSE_BUTTON |
            EF_RIGHT_MOUSE_BUTTON)) {
@@ skipping 35 matching lines @@
                        base::TimeTicks time_stamp,
                        int flags,
                        int changed_button_flags,
                        const PointerDetails& pointer_details)
     : LocatedEvent(type,
                    gfx::PointF(location),
                    gfx::PointF(root_location),
                    time_stamp,
                    flags),
       changed_button_flags_(changed_button_flags),
-      pointer_details_(pointer_details) {
+      pointer_details_(pointer_details),
+      only_for_ui_hover_state_(false) {
   DCHECK_NE(ET_MOUSEWHEEL, type);
   latency()->AddLatencyNumber(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, 0);
   if (this->type() == ET_MOUSE_MOVED && IsAnyButton())
     SetType(ET_MOUSE_DRAGGED);
 }
 
 // static
 bool MouseEvent::IsRepeatedClickEvent(
     const MouseEvent& event1,
     const MouseEvent& event2) {
@@ skipping 806 matching lines @@
                    flags | EF_FROM_TOUCH),
       details_(details),
       unique_touch_event_id_(unique_touch_event_id) {
   latency()->set_source_event_type(ui::SourceEventType::TOUCH);
 }
 
 GestureEvent::~GestureEvent() {
 }
 
 }  // namespace ui