[NOT FOR REVIEW] Significantly simplify the PlatformNotificationService //content API.

content/browser/notifications/page_notification_delegate.cc

Index: content/browser/notifications/page_notification_delegate.cc
diff --git a/content/browser/notifications/page_notification_delegate.cc b/content/browser/notifications/page_notification_delegate.cc
index fdf085d7c7ca6bc48b846ec9fb2b8427938d2417..cc6999bc5ae05bbd760eeeacb09725a7712bb71a 100644
--- a/content/browser/notifications/page_notification_delegate.cc
+++ b/content/browser/notifications/page_notification_delegate.cc
@@ -18,7 +18,7 @@ PageNotificationDelegate::PageNotificationDelegate(int render_process_id,
 
 PageNotificationDelegate::~PageNotificationDelegate() {}
 
-void PageNotificationDelegate::NotificationDisplayed() {
+void PageNotificationDelegate::Display() {
   RenderProcessHost* sender = RenderProcessHost::FromID(render_process_id_);
   if (!sender)
     return;
@@ -26,7 +26,7 @@ void PageNotificationDelegate::NotificationDisplayed() {
   sender->Send(new PlatformNotificationMsg_DidShow(notification_id_));
 }
 
-void PageNotificationDelegate::NotificationClosed() {
+void PageNotificationDelegate::Close(bool by_user) {
   RenderProcessHost* sender = RenderProcessHost::FromID(render_process_id_);
   if (!sender)
     return;
@@ -36,7 +36,11 @@ void PageNotificationDelegate::NotificationClosed() {
       ->notification_message_filter()->DidCloseNotification(notification_id_);
 }
 
-void PageNotificationDelegate::NotificationClick() {
+bool PageNotificationDelegate::HasClickedListener() {
+  return true;
+}
+
+void PageNotificationDelegate::Click() {
   RenderProcessHost* sender = RenderProcessHost::FromID(render_process_id_);
   if (!sender)
     return;