Get rid of Chrome notifications dependency, and instead go through ContentBrowserClient to show U...

chrome/browser/desktop_notification_handler.h

-// 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.
-
-#ifndef CHROME_BROWSER_DESKTOP_NOTIFICATION_HANDLER_H_
-#define CHROME_BROWSER_DESKTOP_NOTIFICATION_HANDLER_H_
-#pragma once
-
-#include "content/browser/renderer_host/render_view_host_observer.h"
-
-class GURL;
-struct DesktopNotificationHostMsg_Show_Params;
-
-// Per-tab Desktop notification handler. Handles desktop notification IPCs
-// coming in from the renderer.
-class DesktopNotificationHandler : public RenderViewHostObserver {
- public:
-  static DesktopNotificationHandler* Create(RenderViewHost* render_view_host);
-  virtual ~DesktopNotificationHandler();
-
- private:
-  explicit DesktopNotificationHandler(RenderViewHost* render_view_host);
-
-  // RenderViewHostObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message);
-
-  // IPC handlers.
-  void OnShow(const DesktopNotificationHostMsg_Show_Params& params);
-  void OnCancel(int notification_id);
-  void OnRequestPermission(const GURL& origin, int callback_id);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DesktopNotificationHandler);
-};
-
-#endif  // CHROME_BROWSER_DESKTOP_NOTIFICATION_HANDLER_H_
-