[Ozone] Proper cursor support for multi-monitor configurations

ui/events/event.cc

Index: ui/events/event.cc
diff --git a/ui/events/event.cc b/ui/events/event.cc
index 32fb97a2594a4dcb477b0203ddb2993e1eec2e03..250def7104d51ff21ddb107cc9968a867ae0fcd9 100644
--- a/ui/events/event.cc
+++ b/ui/events/event.cc
@@ -136,6 +136,9 @@ Event::Event(EventType type, base::TimeDelta time_stamp, int flags)
       target_(NULL),
       phase_(EP_PREDISPATCH),
       result_(ER_UNHANDLED) {
+#if defined(USE_OZONE)
+  window_ = 0;
+#endif
   if (type_ < ET_LAST)
     name_ = EventTypeName(type_);
 }
@@ -152,6 +155,10 @@ Event::Event(const base::NativeEvent& native_event,
       target_(NULL),
       phase_(EP_PREDISPATCH),
       result_(ER_UNHANDLED) {
+#if defined(USE_OZONE)
+  window_ = 0;
+#endif
+
   base::TimeDelta delta = EventTimeForNow() - time_stamp_;
   if (type_ < ET_LAST)
     name_ = EventTypeName(type_);
@@ -180,6 +187,10 @@ Event::Event(const Event& copy)
       target_(NULL),
       phase_(EP_PREDISPATCH),
       result_(ER_UNHANDLED) {
+#if defined(USE_OZONE)
+  window_ = 0;
+#endif
+
   if (type_ < ET_LAST)
     name_ = EventTypeName(type_);
 }