no native implementation of Textfield.

views/event_gtk.cc

 // Copyright (c) 2009 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 "views/event.h"
 
 #include <gdk/gdk.h>
 
 #include "app/keyboard_code_conversion_gtk.h"
 
 namespace views {
 
-KeyEvent::KeyEvent(GdkEventKey* event)
+KeyEvent::KeyEvent(const GdkEventKey* event)
     : Event(event->type == GDK_KEY_PRESS ?
             Event::ET_KEY_PRESSED : Event::ET_KEY_RELEASED,
             GetFlagsFromGdkState(event->state)),
       // TODO(erg): All these values are iffy.
       key_code_(app::WindowsKeyCodeForGdkKeyCode(event->keyval)),
       repeat_count_(0),
-      message_flags_(0) {
+      message_flags_(0),
+      native_event_(event) {
 }
 
 // static
 int Event::GetFlagsFromGdkState(int state) {
   int flags = 0;
   if (state & GDK_LOCK_MASK)
     flags |= Event::EF_CAPS_LOCK_DOWN;
   if (state & GDK_CONTROL_MASK)
     flags |= Event::EF_CONTROL_DOWN;
   if (state & GDK_SHIFT_MASK)
     flags |= Event::EF_SHIFT_DOWN;
   if (state & GDK_MOD1_MASK)
     flags |= Event::EF_ALT_DOWN;
   if (state & GDK_BUTTON1_MASK)
     flags |= Event::EF_LEFT_BUTTON_DOWN;
   if (state & GDK_BUTTON2_MASK)
     flags |= Event::EF_MIDDLE_BUTTON_DOWN;
   if (state & GDK_BUTTON3_MASK)
     flags |= Event::EF_RIGHT_BUTTON_DOWN;
   return flags;
 }
 
 }  // namespace views