Deliver action clicks to page notifications (chromium)

chrome/browser/notifications/notification_object_proxy.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 "chrome/browser/notifications/notification_object_proxy.h"
 
 #include "base/guid.h"
 #include "content/public/browser/desktop_notification_delegate.h"
 
 NotificationObjectProxy::NotificationObjectProxy(
@@ skipping 12 matching lines @@
   displayed_ = true;
 
   delegate_->NotificationDisplayed();
 }
 
 void NotificationObjectProxy::Close(bool by_user) {
   delegate_->NotificationClosed();
 }
 
 void NotificationObjectProxy::Click() {
-  delegate_->NotificationClick();
+  delegate_->NotificationClick(-1);

[Peter Beverloo, 2015/08/07 07:27:28]

+comment (but preferably a constant, as you suggested in the other CL)

+}
+
+void NotificationObjectProxy::ButtonClick(int button_index) {
+  delegate_->NotificationClick(button_index);
 }
 
 std::string NotificationObjectProxy::id() const {
   return id_;
 }