BASELINE: Update Chromium to 85.0.4183.14085-based

Change-Id: Iaa42f4680837c57725b1344f108c0196741f6057
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 70 insertions, 0 deletions

diff --git a/chromium/media/remoting/receiver_controller.h b/chromium/media/remoting/receiver_controller.h
new file mode 100644
index 00000000000..1071de2760a
--- /dev/null
+++ b/chromium/media/remoting/receiver_controller.h
@@ -0,0 +1,70 @@
+// Copyright 2020 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 MEDIA_REMOTING_RECEIVER_CONTROLLER_H_
+#define MEDIA_REMOTING_RECEIVER_CONTROLLER_H_
+
+#include <memory>
+
+#include "base/no_destructor.h"
+#include "media/mojo/mojom/remoting.mojom.h"
+#include "media/remoting/rpc_broker.h"
+#include "mojo/public/cpp/bindings/pending_remote.h"
+#include "mojo/public/cpp/bindings/receiver.h"
+#include "mojo/public/cpp/bindings/remote.h"
+
+namespace media {
+namespace remoting {
+
+// ReceiverController is the bridge that owns |rpc_broker_| to allow Receivers
+// and StreamProvider::MediaStreams to communicate with the sender via RPC
+// calls.
+//
+// It also forwards calls to a |media_remotee_| instance, which will be
+// implemented the browser process. Currently, the only use case will be on
+// Chromecast, the Remotee implementation will be implemented in the browser
+// code on Chromecast.
+//
+// NOTE: ReceiverController is a singleton per process.
+class ReceiverController : mojom::RemotingSink {
+ public:
+  static ReceiverController* GetInstance();
+  void Initialize(mojo::PendingRemote<mojom::Remotee> remotee);
+
+  // Proxy functions to |media_remotee_|.
+  void OnRendererFlush(uint32_t audio_count, uint32_t video_count);
+  void OnVideoNaturalSizeChange(const gfx::Size& size);
+  void StartDataStreams(
+      mojo::PendingRemote<mojom::RemotingDataStreamReceiver> audio_stream,
+      mojo::PendingRemote<mojom::RemotingDataStreamReceiver> video_stream);
+
+  // The reference of |rpc_broker_|.
+  media::remoting::RpcBroker* rpc_broker() { return &rpc_broker_; }
+
+ private:
+  friend base::NoDestructor<ReceiverController>;
+  friend class MockReceiverController;
+  friend void ResetForTesting(ReceiverController* controller);
+
+  ReceiverController();
+  ~ReceiverController() override;
+
+  // media::mojom::RemotingSink implementation.
+  void OnMessageFromSource(const std::vector<uint8_t>& message) override;
+
+  // Callback for |rpc_broker_| to send messages.
+  void OnSendRpc(std::unique_ptr<std::vector<uint8_t>> message);
+
+  RpcBroker rpc_broker_;
+
+  const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
+
+  mojo::Remote<media::mojom::Remotee> media_remotee_;
+  mojo::Receiver<media::mojom::RemotingSink> receiver_{this};
+};
+
+}  // namespace remoting
+}  // namespace media
+
+#endif  // MEDIA_REMOTING_RECEIVER_CONTROLLER_H_