ozone: evdev: Use kernel timestamps for mouse events

ui/events/ozone/evdev/event_converter_evdev_impl.cc

 // Copyright 2014 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/ozone/evdev/event_converter_evdev_impl.h"
 
 #include <errno.h>
 #include <linux/input.h>
 
 #include "ui/events/event.h"
@@ skipping 80 matching lines @@
     switch (input.type) {
       case EV_KEY:
         ConvertKeyEvent(input);
         break;
       case EV_REL:
         ConvertMouseMoveEvent(input);
         break;
       case EV_SYN:
         if (input.code == SYN_DROPPED)
           LOG(WARNING) << "kernel dropped input events";
-        FlushEvents();
+        FlushEvents(input);
         break;
     }
   }
 }
 
 void EventConverterEvdevImpl::ConvertKeyEvent(const input_event& input) {
   // Ignore repeat events.
   if (input.value == kKeyRepeatValue)
     return;
 
@@ skipping 23 matching lines @@
     case REL_Y:
       y_offset_ = input.value;
       break;
   }
 }
 
 void EventConverterEvdevImpl::DispatchMouseButton(const input_event& input) {
   if (!cursor_)
     return;
 
-  dispatcher_->DispatchMouseButtonEvent(
-      MouseButtonEventParams(id_, cursor_->GetLocation(), input.code,
-                             input.value, /* allow_remap */ true));
+  dispatcher_->DispatchMouseButtonEvent(MouseButtonEventParams(
+      id_, cursor_->GetLocation(), input.code, input.value,
+      /* allow_remap */ true, TimeDeltaFromInputEvent(input)));
 }
 
-void EventConverterEvdevImpl::FlushEvents() {
+void EventConverterEvdevImpl::FlushEvents(const input_event& input) {
   if (!cursor_ || (x_offset_ == 0 && y_offset_ == 0))
     return;
 
   cursor_->MoveCursor(gfx::Vector2dF(x_offset_, y_offset_));
 
-  dispatcher_->DispatchMouseMoveEvent(
-      MouseMoveEventParams(id_, cursor_->GetLocation()));
+  dispatcher_->DispatchMouseMoveEvent(MouseMoveEventParams(
+      id_, cursor_->GetLocation(), TimeDeltaFromInputEvent(input)));
 
   x_offset_ = 0;
   y_offset_ = 0;
 }
 
 }  // namespace ui