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

chrome/browser/ui/views/uninstall_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/ui/views/uninstall_view.h"
 
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/string16.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/common/chrome_result_codes.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/shell_util.h"
 #include "grit/chromium_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/layout/layout_constants.h"
 #include "views/controls/button/checkbox.h"
+#include "views/controls/combobox/combobox.h"
 #include "views/controls/label.h"
 
 UninstallView::UninstallView(int* user_selection)
     : confirm_label_(NULL),
       delete_profile_(NULL),
       change_default_browser_(NULL),
       browsers_combo_(NULL),
       browsers_(NULL),
       user_selection_(*user_selection) {
   SetupControls();
@@ skipping 115 matching lines @@
   DCHECK(!browsers_->empty());
   return browsers_->size();
 }
 
 string16 UninstallView::GetItemAt(int index) {
   DCHECK_LT(index, static_cast<int>(browsers_->size()));
   BrowsersMap::const_iterator it = browsers_->begin();
   std::advance(it, index);
   return WideToUTF16Hack((*it).first);
 }