ozone: evdev: Release pressed keys when event filtering starts

ui/events/ozone/evdev/keyboard_evdev.cc

Index: ui/events/ozone/evdev/keyboard_evdev.cc
diff --git a/ui/events/ozone/evdev/keyboard_evdev.cc b/ui/events/ozone/evdev/keyboard_evdev.cc
index 0132616cb6eb381e5e3cd282cca7fa37fcccfbe5..0f0ca4cab6f4445086f4063618ad13e1d157780c 100644
--- a/ui/events/ozone/evdev/keyboard_evdev.cc
+++ b/ui/events/ozone/evdev/keyboard_evdev.cc
@@ -86,6 +86,11 @@ void KeyboardEvdev::OnKeyChange(unsigned int key,
   DispatchKey(key, down, false /* repeat */, timestamp);
 }
 
+void KeyboardEvdev::Reset() {
+  for (int key = 0; key < KEY_CNT; ++key)
+    OnKeyChange(key, false /* down */, ui::EventTimeForNow());
+}
+
 void KeyboardEvdev::SetCapsLockEnabled(bool enabled) {
   modifiers_->SetModifierLock(EVDEV_MODIFIER_CAPS_LOCK, enabled);
 }