views: Factor out Listener from Combobox into its own header file.

chrome/browser/chromeos/options/wifi_config_view.cc

 // Copyright (c) 2011 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 "chrome/browser/chromeos/options/wifi_config_view.h"
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/layout/layout_constants.h"
 #include "views/controls/button/checkbox.h"
 #include "views/controls/button/image_button.h"
+#include "views/controls/combobox/combobox.h"
 #include "views/controls/label.h"
 #include "views/controls/textfield/textfield.h"
 
 namespace chromeos {
 
 namespace {
 
 // Returns true if network is known to require 802.1x.
 bool Is8021x(const WifiNetwork* wifi) {
   return wifi && wifi->encrypted() && wifi->encryption() == SECURITY_8021X;
@@ skipping 1041 matching lines @@
   // Set focus to a reasonable widget, depending on what we're showing.
   if (ssid_textfield_)
     ssid_textfield_->RequestFocus();
   else if (eap_method_combobox_)
     eap_method_combobox_->RequestFocus();
   else if (passphrase_textfield_ && passphrase_textfield_->IsEnabled())
     passphrase_textfield_->RequestFocus();
 }
 
 }  // namespace chromeos