Remove the OnError method from notification delegates.

content/renderer/notification_provider.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 "content/renderer/notification_provider.h"
 
 #include <vector>
 
 #include "base/strings/string_util.h"
 #include "content/common/desktop_notification_messages.h"
@@ skipping 100 matching lines @@
           routing_id(),
           GURL(origin.toString()),
           &permission));
   return static_cast<WebNotificationPresenter::Permission>(permission);
 }
 
 bool NotificationProvider::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(NotificationProvider, message)
     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostDisplay, OnDisplay);
-    IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostError, OnError);
     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostClose, OnClose);
     IPC_MESSAGE_HANDLER(DesktopNotificationMsg_PostClick, OnClick);
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   if (message.type() == FrameMsg_Navigate::ID)
     OnNavigate();  // Don't want to swallow the message.
 
   return handled;
 }
 
 void NotificationProvider::OnDisplay(int id) {
   WebNotification notification;
   bool found = manager_.GetNotification(id, &notification);
   // |found| may be false if the WebNotification went out of scope in
   // the page before it was actually displayed to the user.
   if (found)
     notification.dispatchDisplayEvent();
 }
 
-void NotificationProvider::OnError(int id) {
-  WebNotification notification;
-  bool found = manager_.GetNotification(id, &notification);
-  // |found| may be false if the WebNotification went out of scope in
-  // the page before the error occurred.
-  if (found)
-    notification.dispatchErrorEvent(WebString());
-}
-
 void NotificationProvider::OnClose(int id, bool by_user) {
   WebNotification notification;
   bool found = manager_.GetNotification(id, &notification);
   // |found| may be false if the WebNotification went out of scope in
   // the page before the associated toast was closed by the user.
   if (found) {
     notification.dispatchCloseEvent(by_user);
     manager_.UnregisterNotification(id);
   }
 }
 
 void NotificationProvider::OnClick(int id) {
   WebNotification notification;
   bool found = manager_.GetNotification(id, &notification);
   // |found| may be false if the WebNotification went out of scope in
   // the page before the associated toast was clicked on.
   if (found)
     notification.dispatchClickEvent();
 }
 
 void NotificationProvider::OnNavigate() {
   manager_.Clear();
 }
 
 }  // namespace content