Adds link disambiguation popup support to Windows.

ui/events/gesture_event_details.cc

Index: ui/events/gesture_event_details.cc
diff --git a/ui/events/gesture_event_details.cc b/ui/events/gesture_event_details.cc
index 3f478e5aaabce15848e5b1fe6f733e689ad9e994..70878de3c432e509f10eb3c2c523e67d6f3a0229 100644
--- a/ui/events/gesture_event_details.cc
+++ b/ui/events/gesture_event_details.cc
@@ -65,6 +65,14 @@ GestureEventDetails::GestureEventDetails(ui::EventType type,
   }
 }
 
+GestureEventDetails::GestureEventDetails(const GestureEventDetails& details)
+    : type_(details.type_),
+      touch_points_(details.touch_points_),
+      bounding_box_(details.bounding_box_),
+      oldest_touch_id_(details.oldest_touch_id_) {
+  memcpy(&data, &details.data, sizeof(details.data));
+}
+
 GestureEventDetails::Details::Details() {
   memset(this, 0, sizeof(Details));
 }