Makes KeyEvent struct traits restore Event::time_stamp() field

ui/events/mojo/event_struct_traits.cc

 // Copyright 2016 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/mojo/event_struct_traits.h"
 
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/dom/keycode_converter.h"
 #include "ui/events/mojo/event_constants.mojom.h"
@@ skipping 232 matching lines @@
   switch (event.action()) {
     case ui::mojom::EventType::KEY_PRESSED:
     case ui::mojom::EventType::KEY_RELEASED: {
       ui::mojom::KeyDataPtr key_data;
       if (!event.ReadKeyData<ui::mojom::KeyDataPtr>(&key_data))
         return false;
 
       if (key_data->is_char) {
         out->reset(new ui::KeyEvent(
             static_cast<base::char16>(key_data->character),
-            static_cast<ui::KeyboardCode>(key_data->key_code), event.flags()));
+            static_cast<ui::KeyboardCode>(key_data->key_code), event.flags(),
+            base::TimeTicks::FromInternalValue(event.time_stamp())));
 
       } else {
         out->reset(new ui::KeyEvent(
             event.action() == ui::mojom::EventType::KEY_PRESSED
                 ? ui::ET_KEY_PRESSED
                 : ui::ET_KEY_RELEASED,
-            static_cast<ui::KeyboardCode>(key_data->key_code), event.flags()));
+            static_cast<ui::KeyboardCode>(key_data->key_code), event.flags(),
+            base::TimeTicks::FromInternalValue(event.time_stamp())));
       }
       break;
     }
     case ui::mojom::EventType::POINTER_DOWN:
     case ui::mojom::EventType::POINTER_UP:
     case ui::mojom::EventType::POINTER_MOVE:
     case ui::mojom::EventType::POINTER_CANCEL:
     case ui::mojom::EventType::MOUSE_EXIT:
     case ui::mojom::EventType::POINTER_WHEEL_CHANGED: {
       ui::mojom::PointerDataPtr pointer_data;
@@ skipping 47 matching lines @@
       return false;
   }
 
   if (!out->get())
     return false;
 
   return event.ReadLatency((*out)->latency());
 }
 
 }  // namespace mojo