Make Interaction Media Features MQ dynamic on Linux.

ui/events/ozone/evdev/event_converter_evdev.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 <errno.h>
 #include <linux/input.h>
 #include <stddef.h>
 
 #include "ui/events/ozone/evdev/event_converter_evdev.h"
 
@@ skipping 33 matching lines @@
       fd_, true, base::MessagePumpLibevent::WATCH_READ, &controller_, this);
   watching_ = true;
 }
 
 void EventConverterEvdev::Stop() {
   controller_.StopWatchingFileDescriptor();
   watching_ = false;
 }
 
 void EventConverterEvdev::SetEnabled(bool enabled) {
-  if (enabled == enabled_)
+  if (enabled == input_device_.enabled)
     return;
   if (enabled) {
     TRACE_EVENT1("evdev", "EventConverterEvdev::OnEnabled", "path",
                  path_.value());
     OnEnabled();
   } else {
     TRACE_EVENT1("evdev", "EventConverterEvdev::OnDisabled", "path",
                  path_.value());
     OnDisabled();
   }
-  enabled_ = enabled;
+  input_device_.enabled = enabled;
+}
+
+bool EventConverterEvdev::IsEnabled() const {
+  return input_device_.enabled;
 }
 
 void EventConverterEvdev::OnStopped() {
 }
 
 void EventConverterEvdev::OnEnabled() {
 }
 
 void EventConverterEvdev::OnDisabled() {
 }
@@ skipping 83 matching lines @@
 
 base::TimeTicks EventConverterEvdev::TimeTicksFromInputEvent(
     const input_event& event) {
   base::TimeTicks timestamp =
       ui::EventTimeStampFromSeconds(event.time.tv_sec) +
       base::TimeDelta::FromMicroseconds(event.time.tv_usec);
   ValidateEventTimeClock(&timestamp);
   return timestamp;
 }
 }  // namespace ui