Revert of [Media Router] Add CastMediaSinkService

chrome/browser/media/router/discovery/mdns/cast_media_sink_service.h

Index: chrome/browser/media/router/discovery/mdns/cast_media_sink_service.h
diff --git a/chrome/browser/media/router/discovery/mdns/cast_media_sink_service.h b/chrome/browser/media/router/discovery/mdns/cast_media_sink_service.h
deleted file mode 100644
index 2030c055fb8ae148ab6724d52968c79c34f86a9f..0000000000000000000000000000000000000000
--- a/chrome/browser/media/router/discovery/mdns/cast_media_sink_service.h
+++ /dev/null
@@ -1,132 +0,0 @@
-// Copyright 2017 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_MEDIA_ROUTER_DISCOVERY_MDNS_CAST_MEDIA_SINK_SERVICE_H_
-#define CHROME_BROWSER_MEDIA_ROUTER_DISCOVERY_MDNS_CAST_MEDIA_SINK_SERVICE_H_
-
-#include <memory>
-#include <set>
-
-#include "base/gtest_prod_util.h"
-#include "base/memory/ref_counted.h"
-#include "base/threading/thread_checker.h"
-#include "chrome/browser/media/router/discovery/mdns/dns_sd_delegate.h"
-#include "chrome/browser/media/router/discovery/mdns/dns_sd_registry.h"
-#include "chrome/browser/media/router/discovery/media_sink_service_base.h"
-#include "components/cast_channel/cast_channel_enum.h"
-#include "components/cast_channel/cast_socket.h"
-#include "net/base/ip_endpoint.h"
-
-namespace cast_channel {
-class CastSocketService;
-}  // namespace cast_channel
-
-namespace content {
-class BrowserContext;
-}  // namespace content
-
-namespace media_router {
-
-// A service which can be used to start background discovery and resolution of
-// Cast devices.
-// Public APIs should be invoked on the UI thread.
-class CastMediaSinkService
-    : public MediaSinkServiceBase,
-      public DnsSdRegistry::DnsSdObserver,
-      public base::RefCountedThreadSafe<CastMediaSinkService> {
- public:
-  CastMediaSinkService(const OnSinksDiscoveredCallback& callback,
-                       content::BrowserContext* browser_context);
-
-  // Used by unit tests.
-  CastMediaSinkService(const OnSinksDiscoveredCallback& callback,
-                       cast_channel::CastSocketService* cast_socket_service);
-
-  // mDNS service types.
-  static const char kCastServiceType[];
-
-  // MediaSinkService implementation
-  void Start() override;
-  void Stop() override;
-
- protected:
-  // Used to mock out the DnsSdRegistry for testing.
-  void SetDnsSdRegistryForTest(DnsSdRegistry* registry);
-
-  ~CastMediaSinkService() override;
-
- private:
-  // Receives incoming messages and errors and provides additional API context.
-  class CastSocketObserver : public cast_channel::CastSocket::Observer {
-   public:
-    CastSocketObserver();
-    ~CastSocketObserver() override;
-
-    // CastSocket::Observer implementation.
-    void OnError(const cast_channel::CastSocket& socket,
-                 cast_channel::ChannelError error_state) override;
-    void OnMessage(const cast_channel::CastSocket& socket,
-                   const cast_channel::CastMessage& message) override;
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(CastSocketObserver);
-  };
-
-  friend class base::RefCountedThreadSafe<CastMediaSinkService>;
-  friend class CastMediaSinkServiceTest;
-
-  FRIEND_TEST_ALL_PREFIXES(CastMediaSinkServiceTest, TestReStartAfterStop);
-  FRIEND_TEST_ALL_PREFIXES(CastMediaSinkServiceTest, TestMultipleStartAndStop);
-  FRIEND_TEST_ALL_PREFIXES(CastMediaSinkServiceTest,
-                           TestOnChannelOpenedOnIOThread);
-  FRIEND_TEST_ALL_PREFIXES(CastMediaSinkServiceTest,
-                           TestMultipleOnChannelOpenedOnIOThread);
-  FRIEND_TEST_ALL_PREFIXES(CastMediaSinkServiceTest, TestOnDnsSdEvent);
-  FRIEND_TEST_ALL_PREFIXES(CastMediaSinkServiceTest, TestMultipleOnDnsSdEvent);
-  FRIEND_TEST_ALL_PREFIXES(CastMediaSinkServiceTest, TestTimer);
-
-  // DnsSdRegistry::DnsSdObserver implementation
-  void OnDnsSdEvent(const std::string& service_type,
-                    const DnsSdRegistry::DnsSdServiceList& services) override;
-
-  // Opens cast channel on IO thread.
-  // |service|: mDNS service description.
-  // |ip_endpoint|: cast channel's target IP endpoint.
-  void OpenChannelOnIOThread(const DnsSdService& service,
-                             const net::IPEndPoint& ip_endpoint);
-
-  // Invoked when opening cast channel on IO thread completes.
-  // |service|: mDNS service description.
-  // |channel_id|: channel id of newly created cast channel.
-  // |channel_error|: error encounted when opending cast channel.
-  void OnChannelOpenedOnIOThread(const DnsSdService& service,
-                                 int channel_id,
-                                 cast_channel::ChannelError channel_error);
-
-  // Invoked by |OnChannelOpenedOnIOThread| to post task on UI thread.
-  // |service|: mDNS service description.
-  // |channel_id|: channel id of newly created cast channel.
-  // |audio_only|: if cast channel is audio only or not.
-  void OnChannelOpenedOnUIThread(const DnsSdService& service,
-                                 int channel_id,
-                                 bool audio_only);
-
-  // Raw pointer to DnsSdRegistry instance, which is a global leaky singleton
-  // and lives as long as the browser process.
-  DnsSdRegistry* dns_sd_registry_ = nullptr;
-
-  // Service list from current round of discovery.
-  DnsSdRegistry::DnsSdServiceList current_services_;
-
-  // Service managing creating and removing cast channels.
-  scoped_refptr<cast_channel::CastSocketService> cast_socket_service_;
-
-  THREAD_CHECKER(thread_checker_);
-
-  DISALLOW_COPY_AND_ASSIGN(CastMediaSinkService);
-};
-
-}  // namespace media_router
-
-#endif  // CHROME_BROWSER_MEDIA_ROUTER_DISCOVERY_MDNS_CAST_MEDIA_SINK_SERVICE_H_