rAc: don't clobber user input when accepting autofill popup suggestion

ui/views/controls/combobox/native_combobox_views.cc

 // Copyright (c) 2012 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/views/controls/combobox/native_combobox_views.h"
 
 #include <algorithm>
 
 #include "grit/ui_resources.h"
 #include "ui/base/events/event.h"
@@ skipping 201 matching lines @@
     menu->AppendMenuItem(i + kFirstMenuItemId, text, MenuItemView::NORMAL);
     max_width = std::max(max_width, font.GetStringWidth(text));
   }
 
   content_width_ = max_width;
   content_height_ = font.GetHeight();
 }
 
 void NativeComboboxViews::UpdateSelectedIndex() {
   selected_index_ = combobox_->selected_index();
+  SchedulePaint();
 }
 
 void NativeComboboxViews::UpdateEnabled() {
   SetEnabled(combobox_->enabled());
 }
 
 int NativeComboboxViews::GetSelectedIndex() const {
   return selected_index_;
 }
 
@@ skipping 177 matching lines @@
 
 #if defined(USE_AURA)
 // static
 NativeComboboxWrapper* NativeComboboxWrapper::CreateWrapper(
     Combobox* combobox) {
   return new NativeComboboxViews(combobox);
 }
 #endif
 
 }  // namespace views