IPC->mojo of audio_renderer_host

content/renderer/media/audio_message_filter.h

Index: content/renderer/media/audio_message_filter.h
diff --git a/content/renderer/media/audio_message_filter.h b/content/renderer/media/audio_message_filter.h
deleted file mode 100644
index 63c1c0e1119f4dd77640d595c9c0cfa0da732424..0000000000000000000000000000000000000000
--- a/content/renderer/media/audio_message_filter.h
+++ /dev/null
@@ -1,109 +0,0 @@
-// 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 CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_
-#define CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/gtest_prod_util.h"
-#include "base/id_map.h"
-#include "base/macros.h"
-#include "base/memory/shared_memory.h"
-#include "base/sync_socket.h"
-#include "base/synchronization/lock.h"
-#include "content/common/content_export.h"
-#include "ipc/message_filter.h"
-#include "media/audio/audio_output_ipc.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace content {
-
-// MessageFilter that handles audio messages and delegates them to audio
-// renderers. Created on render thread, AudioMessageFilter is operated on
-// IO thread (secondary thread of render process) it intercepts audio messages
-// and process them on IO thread since these messages are time critical.
-class CONTENT_EXPORT AudioMessageFilter : public IPC::MessageFilter {
- public:
-  explicit AudioMessageFilter(
-      scoped_refptr<base::SingleThreadTaskRunner> io_task_runner);
-
-  // Getter for the one AudioMessageFilter object.
-  static AudioMessageFilter* Get();
-
-  // Create an AudioOutputIPC to be owned by one delegate.  |render_frame_id| is
-  // the RenderFrame containing the entity producing the audio.
-  //
-  // The returned object is not thread-safe, and must be used on
-  // |io_task_runner|.
-  std::unique_ptr<media::AudioOutputIPC> CreateAudioOutputIPC(
-      int render_frame_id);
-
-  // IO task runner associated with this message filter.
-  base::SingleThreadTaskRunner* io_task_runner() const {
-    return io_task_runner_.get();
-  }
-
- protected:
-  ~AudioMessageFilter() override;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(AudioMessageFilterTest, Basic);
-  FRIEND_TEST_ALL_PREFIXES(AudioMessageFilterTest, Delegates);
-
-  // Implementation of media::AudioOutputIPC which augments IPC calls with
-  // stream_id and the source render_frame_id.
-  class AudioOutputIPCImpl;
-
-  // Sends an IPC message using |sender_|.
-  void Send(IPC::Message* message);
-
-  // IPC::MessageFilter override. Called on |io_task_runner_|.
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void OnFilterAdded(IPC::Sender* sender) override;
-  void OnFilterRemoved() override;
-  void OnChannelClosing() override;
-
-  // Received when the browser process has checked authorization to use an
-  // audio output device.
-  void OnDeviceAuthorized(int stream_id,
-                          media::OutputDeviceStatus device_status,
-                          const media::AudioParameters& output_params,
-                          const std::string& matched_device_id);
-
-  // Received when browser process has created an audio output stream.
-  void OnStreamCreated(int stream_id,
-                       base::SharedMemoryHandle handle,
-                       base::SyncSocket::TransitDescriptor socket_descriptor,
-                       uint32_t length);
-
-  // Received when internal state of browser process' audio output device has
-  // changed.
-  void OnStreamStateChanged(int stream_id,
-                            media::AudioOutputIPCDelegateState state);
-
-  // IPC sender for Send(); must only be accessed on |io_task_runner_|.
-  IPC::Sender* sender_;
-
-  // A map of stream ids to delegates; must only be accessed on
-  // |io_task_runner_|.
-  IDMap<media::AudioOutputIPCDelegate> delegates_;
-
-  // Task runner on which IPC calls are executed.
-  const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-
-  // The singleton instance for this filter.
-  static AudioMessageFilter* g_filter;
-
-  DISALLOW_COPY_AND_ASSIGN(AudioMessageFilter);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_AUDIO_MESSAGE_FILTER_H_