Remove chrome/ code to handle App Notifications

chrome/browser/extensions/api/app/app_api.h

-// 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_API_APP_APP_API_H_
-#define CHROME_BROWSER_EXTENSIONS_API_APP_APP_API_H_
-
-#include "chrome/browser/extensions/extension_function.h"
-
-namespace extensions {
-
-class AppNotifyFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION("experimental.app.notify", EXPERIMENTAL_APP_NOTIFY)
-
- protected:
-  virtual ~AppNotifyFunction() {}
-  virtual bool RunImpl() OVERRIDE;
-};
-
-class AppClearAllNotificationsFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION("experimental.app.clearAllNotifications",
-                             EXPERIMENTAL_APP_CLEARALLNOTIFICATIONS)
-
- protected:
-  virtual ~AppClearAllNotificationsFunction() {}
-  virtual bool RunImpl() OVERRIDE;
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_APP_APP_API_H_