ozone: evdev: Use kernel timestamps for mouse events

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"
 
 #if defined(USE_X11)
 #include <X11/extensions/XInput2.h>
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
@@ skipping 466 matching lines @@
 
 MouseWheelEvent::MouseWheelEvent(const MouseWheelEvent& mouse_wheel_event)
     : MouseEvent(mouse_wheel_event),
       offset_(mouse_wheel_event.offset()) {
   DCHECK(type() == ET_MOUSEWHEEL);
 }
 
 MouseWheelEvent::MouseWheelEvent(const gfx::Vector2d& offset,
                                  const gfx::PointF& location,
                                  const gfx::PointF& root_location,
+                                 base::TimeDelta time_stamp,
                                  int flags,
                                  int changed_button_flags)
     : MouseEvent(ui::ET_MOUSEWHEEL,
                  location,
                  root_location,
-                 EventTimeForNow(),
+                 time_stamp,
                  flags,
                  changed_button_flags),
       offset_(offset) {
+  set_time_stamp(time_stamp);

[sadrul, 2015/02/19 17:23:20]

Is this necessary?

[robert.bradford, 2015/02/19 17:30:44]

Whoops, this was necessary in the old version (before MouseEvent ctor was
modified) but not now. Removed in the latest patch version.

Thanks!

 }
 
 #if defined(OS_WIN)
 // This value matches windows WHEEL_DELTA.
 // static
 const int MouseWheelEvent::kWheelDelta = 120;
 #else
 // This value matches GTK+ wheel scroll amount.
 const int MouseWheelEvent::kWheelDelta = 53;
 #endif
@@ skipping 474 matching lines @@
                    gfx::PointF(x, y),
                    time_stamp,
                    flags | EF_FROM_TOUCH),
       details_(details) {
 }
 
 GestureEvent::~GestureEvent() {
 }
 
 }  // namespace ui