Remove ui::KeyEvent::platform_keycode_

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 cbd18904e45a19d748b6caa4f93846e63931639a..2f1c6e0385a5d4798aa49d0c787502d809ba6582 100644
--- a/ui/events/ozone/evdev/keyboard_evdev.cc
+++ b/ui/events/ozone/evdev/keyboard_evdev.cc
@@ -212,11 +212,8 @@ void KeyboardEvdev::DispatchKey(unsigned int key,
   int flags = modifiers_->GetModifierFlags();
   DomKey dom_key;
   KeyboardCode key_code;
-  uint32 platform_keycode = 0;
-  if (!keyboard_layout_engine_->Lookup(dom_code, flags, &dom_key,
-                                       &key_code, &platform_keycode)) {
+  if (!keyboard_layout_engine_->Lookup(dom_code, flags, &dom_key, &key_code))
     return;
-  }
   if (!repeat) {
     int flag = ModifierDomKeyToEventFlag(dom_key);
     UpdateModifier(flag, down);
@@ -225,8 +222,7 @@ void KeyboardEvdev::DispatchKey(unsigned int key,
   KeyEvent event(down ? ET_KEY_PRESSED : ET_KEY_RELEASED, key_code, dom_code,
                  modifiers_->GetModifierFlags(), dom_key, timestamp);
   event.set_source_device_id(device_id);
-  if (platform_keycode)
-    event.set_platform_keycode(platform_keycode);
   callback_.Run(&event);
 }
+
 }  // namespace ui