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

chrome/browser/ui/views/bookmarks/bookmark_bubble_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/bookmarks/bookmark_bubble_view.h"
 
 #include "base/string16.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/bookmarks/bookmark_utils.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/browser/user_metrics.h"
 #include "content/public/browser/notification_service.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/views/events/event.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/layout/layout_constants.h"
 #include "views/controls/button/text_button.h"
+#include "views/controls/combobox/combobox.h"
 #include "views/controls/label.h"
 #include "views/controls/link.h"
 #include "views/controls/textfield/textfield.h"
 #include "views/widget/widget.h"
 
 using views::ColumnSet;
 using views::GridLayout;
 
 // Padding between "Title:" and the actual title.
 static const int kTitlePadding = 4;
@@ skipping 233 matching lines @@
 void BookmarkBubbleView::LinkClicked(views::Link* source, int event_flags) {
   DCHECK(source == remove_link_);
   UserMetrics::RecordAction(UserMetricsAction("BookmarkBubble_Unstar"));
 
   // Set this so we remove the bookmark after the window closes.
   remove_bookmark_ = true;
   apply_edits_ = false;
   StartFade(false);
 }
 
-void BookmarkBubbleView::ItemChanged(views::Combobox* combobox,
+void BookmarkBubbleView::ItemChanged(views::Combobox* combo_box,
                                      int prev_index,
                                      int new_index) {
   if (new_index + 1 == parent_model_.GetItemCount()) {
     UserMetrics::RecordAction(
               UserMetricsAction("BookmarkBubble_EditFromCombobox"));
     ShowEditor();
   }
 }
 
 void BookmarkBubbleView::HandleButtonPressed(views::Button* sender) {
@@ skipping 38 matching lines @@
       const BookmarkNode* new_parent =
           parent_model_.GetNodeAt(parent_combobox_->selected_item());
       if (new_parent != node->parent()) {
         UserMetrics::RecordAction(
             UserMetricsAction("BookmarkBubble_ChangeParent"));
         model->Move(node, new_parent, new_parent->child_count());
       }
     }
   }
 }