Remove Chromecast extension support from cast system tray menu.

chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.h

-// Copyright 2015 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_CAST_DEVICES_PRIVATE_CAST_DEVICES_PRIVATE_API_H_
-#define CHROME_BROWSER_EXTENSIONS_API_CAST_DEVICES_PRIVATE_CAST_DEVICES_PRIVATE_API_H_
-
-#include <vector>
-
-#include "ash/common/cast_config_delegate.h"
-#include "base/callback_list.h"
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "extensions/browser/browser_context_keyed_api_factory.h"
-#include "extensions/browser/extension_function.h"
-
-namespace extensions {
-
-class CastDeviceUpdateListeners : public BrowserContextKeyedAPI {
- public:
-  explicit CastDeviceUpdateListeners(content::BrowserContext* context);
-  ~CastDeviceUpdateListeners() override;
-
-  // Fetches an instance for the given context.
-  static CastDeviceUpdateListeners* Get(content::BrowserContext* context);
-
-  // Adds an observer that will be invoked when new device data is available.
-  void AddObserver(ash::CastConfigDelegate::Observer* observer);
-  void RemoveObserver(ash::CastConfigDelegate::Observer* observer);
-
-  // BrowserContextKeyedAPI implementation:
-  static BrowserContextKeyedAPIFactory<CastDeviceUpdateListeners>*
-  GetFactoryInstance();
-  static const bool kServiceIsCreatedWithBrowserContext = false;
-
- private:
-  using ReceiverAndActivityList =
-    std::vector<ash::CastConfigDelegate::ReceiverAndActivity>;
-
-  friend class CastDevicesPrivateUpdateDevicesFunction;  // For NotifyCallbacks.
-  void NotifyCallbacks(const ReceiverAndActivityList& devices);
-
-  base::ObserverList<ash::CastConfigDelegate::Observer> observer_list_;
-
-  friend class BrowserContextKeyedAPIFactory<CastDeviceUpdateListeners>;
-
-  // BrowserContextKeyedAPI implementation:
-  static const char* service_name() { return "CastDeviceUpdateListeners"; }
-
-  DISALLOW_COPY_AND_ASSIGN(CastDeviceUpdateListeners);
-};
-
-// static void updateDeviceState(ReceiverActivity[] devices);
-class CastDevicesPrivateUpdateDevicesFunction :
-    public UIThreadExtensionFunction {
- public:
-  CastDevicesPrivateUpdateDevicesFunction();
-
- private:
-  ~CastDevicesPrivateUpdateDevicesFunction() override;
-
-  // ExtensionFunction:
-  ResponseAction Run() override;
-
-  DECLARE_EXTENSION_FUNCTION("cast.devicesPrivate.updateDevices",
-                             CASTDEVICESPRIVATE_UPDATEDEVICES);
-  DISALLOW_COPY_AND_ASSIGN(CastDevicesPrivateUpdateDevicesFunction);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_CAST_DEVICES_PRIVATE_CAST_DEVICES_PRIVATE_API_H_