Do not consume an ET_KEY_RELEASED event in NativeTextfieldViews and NativeComboboxViews

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/keycodes/keyboard_codes.h"
@@ skipping 203 matching lines @@
 
 void NativeComboboxViews::SetFocus() {
   text_border_->set_has_focus(true);
 }
 
 bool NativeComboboxViews::HandleKeyPressed(const KeyEvent& e) {
   return OnKeyPressed(e);
 }
 
 bool NativeComboboxViews::HandleKeyReleased(const KeyEvent& e) {
-  return true;
+  return false;  // crbug.com/127520
 }
 
 void NativeComboboxViews::HandleFocus() {
   SchedulePaint();
 }
 
 void NativeComboboxViews::HandleBlur() {
 }
 
 gfx::NativeView NativeComboboxViews::GetTestingHandle() const {
@@ skipping 112 matching lines @@
 
 #if defined(USE_AURA)
 // static
 NativeComboboxWrapper* NativeComboboxWrapper::CreateWrapper(
     Combobox* combobox) {
   return new NativeComboboxViews(combobox);
 }
 #endif
 
 }  // namespace views