Port ScopedDisableInternalMouseAndKeyboardX11 to Ozone

ui/events/ozone/evdev/keyboard_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 "ui/events/ozone/evdev/keyboard_evdev.h"
 
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/keycodes/dom4/keycode_converter.h"
 #include "ui/events/ozone/evdev/event_modifiers_evdev.h"
@@ skipping 138 matching lines @@
       base::Bind(&KeyboardEvdev::OnRepeatIntervalTimeout,
                  base::Unretained(this)));
 }
 
 void KeyboardEvdev::OnRepeatIntervalTimeout() {
   DispatchKey(repeat_key_, true /* down */, true /* repeat */);
 }
 
 void KeyboardEvdev::DispatchKey(unsigned int key, bool down, bool repeat) {
   DomCode dom_code =
-      KeycodeConverter::NativeKeycodeToDomCode(key + kXkbKeycodeOffset);
+      KeycodeConverter::NativeKeycodeToDomCode(EvdevCodeToNativeCode(key));
   // DomCode constants are not included here because of conflicts with
   // evdev preprocessor macros.
   if (!static_cast<int>(dom_code))
     return;
   int flags = modifiers_->GetModifierFlags();
   DomKey dom_key;
   KeyboardCode key_code;
   uint16 character;
   uint32 platform_keycode = 0;
   if (!keyboard_layout_engine_->Lookup(dom_code, flags, &dom_key, &character,
@@ skipping 12 matching lines @@
 }
 
 // static
 int KeyboardEvdev::NativeCodeToEvdevCode(int native_code) {
   if (native_code == KeycodeConverter::InvalidNativeKeycode()) {
     return KEY_RESERVED;
   }
   return native_code - kXkbKeycodeOffset;
 }
 
+// static
+int KeyboardEvdev::EvdevCodeToNativeCode(int evdev_code) {
+  if (evdev_code == KEY_RESERVED)
+    return KeycodeConverter::InvalidNativeKeycode();
+  return evdev_code + kXkbKeycodeOffset;
+}
+
 }  // namespace ui