Split out audio debug recording from RenderProcessHostImpl.

content/renderer/media/aec_dump_message_filter.h

Index: content/renderer/media/aec_dump_message_filter.h
diff --git a/content/renderer/media/aec_dump_message_filter.h b/content/renderer/media/aec_dump_message_filter.h
deleted file mode 100644
index 1254173b0c5cda0efcef5aa48d46514eba3b4432..0000000000000000000000000000000000000000
--- a/content/renderer/media/aec_dump_message_filter.h
+++ /dev/null
@@ -1,107 +0,0 @@
-// Copyright 2014 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_AEC_DUMP_MESSAGE_FILTER_H_
-#define CONTENT_RENDERER_MEDIA_AEC_DUMP_MESSAGE_FILTER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "content/common/content_export.h"
-#include "content/renderer/render_thread_impl.h"
-#include "ipc/ipc_platform_file.h"
-#include "ipc/message_filter.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace content {
-
-// MessageFilter that handles AEC dump messages and forwards them to an
-// observer.
-class CONTENT_EXPORT AecDumpMessageFilter : public IPC::MessageFilter {
- public:
-  class AecDumpDelegate {
-   public:
-    virtual void OnAecDumpFile(
-        const IPC::PlatformFileForTransit& file_handle) = 0;
-    virtual void OnDisableAecDump() = 0;
-    virtual void OnIpcClosing() = 0;
-  };
-
-  AecDumpMessageFilter(
-      const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner,
-      const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner);
-
-  // Getter for the one AecDumpMessageFilter object.
-  static scoped_refptr<AecDumpMessageFilter> Get();
-
-  // Adds a delegate that receives the enable and disable notifications.
-  void AddDelegate(AecDumpMessageFilter::AecDumpDelegate* delegate);
-
-  // Removes a delegate.
-  void RemoveDelegate(AecDumpMessageFilter::AecDumpDelegate* delegate);
-
-  // IO task runner associated with this message filter.
-  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner() const {
-    return io_task_runner_;
-  }
-
- protected:
-  ~AecDumpMessageFilter() override;
-
- private:
-  // Sends an IPC message using |sender_|.
-  void Send(IPC::Message* message);
-
-  // Registers a consumer of AEC dump in the browser process. This consumer will
-  // get a file handle when the AEC dump is enabled and a notification when it
-  // is disabled.
-  void RegisterAecDumpConsumer(int id);
-
-  // Unregisters a consumer of AEC dump in the browser process.
-  void UnregisterAecDumpConsumer(int id);
-
-  // 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;
-
-  // Accessed on |io_task_runner_|.
-  void OnEnableAecDump(int id, IPC::PlatformFileForTransit file_handle);
-  void OnDisableAecDump();
-
-  // Accessed on |main_task_runner_|.
-  void DoEnableAecDump(int id, IPC::PlatformFileForTransit file_handle);
-  void DoDisableAecDump();
-  void DoChannelClosingOnDelegates();
-  int GetIdForDelegate(AecDumpMessageFilter::AecDumpDelegate* delegate);
-
-  // Accessed on |io_task_runner_|.
-  IPC::Sender* sender_;
-
-  // The delgates for this filter. Must only be accessed on
-  // |main_task_runner_|.
-  typedef std::map<int, AecDumpMessageFilter::AecDumpDelegate*> DelegateMap;
-  DelegateMap delegates_;
-
-  // Counter for generating unique IDs to delegates. Accessed on
-  // |main_task_runner_|.
-  int delegate_id_counter_;
-
-  // Task runner which IPC calls are executed.
-  const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-
-  // Main task runner.
-  const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
-
-  // The singleton instance for this filter.
-  static AecDumpMessageFilter* g_filter;
-
-  DISALLOW_COPY_AND_ASSIGN(AecDumpMessageFilter);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_AEC_DUMP_MESSAGE_FILTER_H_