ozone: evdev: Fix possibility of stuck keys

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 <linux/input.h>
 
 #include "ui/events/ozone/evdev/event_converter_evdev.h"
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 12 matching lines @@
 EventConverterEvdev::~EventConverterEvdev() {
   Stop();
 }
 
 void EventConverterEvdev::Start() {
   base::MessageLoopForUI::current()->WatchFileDescriptor(
       fd_, true, base::MessagePumpLibevent::WATCH_READ, &controller_, this);
 }
 
 void EventConverterEvdev::Stop() {
-  // TODO(spang): If we reach here due to an error, we should treat it
-  // as if we have lost sync & release held keys, etc.
   controller_.StopWatchingFileDescriptor();
+
+  OnStopped();
+}
+
+void EventConverterEvdev::OnStopped() {
 }
 
 void EventConverterEvdev::OnFileCanWriteWithoutBlocking(int fd) {
   NOTREACHED();
 }
 
 bool EventConverterEvdev::HasKeyboard() const {
   return false;
 }
 
@@ skipping 58 matching lines @@
     Stop();
   }
 }
 
 base::TimeDelta EventConverterEvdev::TimeDeltaFromInputEvent(
     const input_event& event) {
   return base::TimeDelta::FromMicroseconds(event.time.tv_sec * 1000000 +
                                            event.time.tv_usec);
 }
 }  // namespace ui