Add VectorIconButton functionality to ImageButton.

ui/message_center/views/notifier_settings_view.cc

 // Copyright (c) 2013 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/message_center/views/notifier_settings_view.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
@@ skipping 214 matching lines @@
 
 }  // namespace
 
 // NotifierSettingsView::NotifierButton ---------------------------------------
 
 // We do not use views::Checkbox class directly because it doesn't support
 // showing 'icon'.
 NotifierSettingsView::NotifierButton::NotifierButton(
     NotifierSettingsProvider* provider,
     std::unique_ptr<Notifier> notifier,
-    views::ButtonListener* listener)
+    views::ImageButtonDelegate* listener)
     : views::CustomButton(listener),
       provider_(provider),
       notifier_(std::move(notifier)),
       icon_view_(new views::ImageView()),
       name_view_(new views::Label(notifier_->name)),
       checkbox_(new views::Checkbox(base::string16())),
       learn_more_(nullptr) {
   DCHECK(provider_);
   DCHECK(notifier_);
 
@@ skipping 382 matching lines @@
     provider_->SetNotifierEnabled((*iter)->notifier(), (*iter)->checked());
 }
 
 void NotifierSettingsView::OnPerformAction(views::Combobox* combobox) {
   provider_->SwitchToNotifierGroup(combobox->selected_index());
   MessageCenterView* center_view = static_cast<MessageCenterView*>(parent());
   center_view->OnSettingsChanged();
 }
 
 }  // namespace message_center