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
index 0fb0cf93026785ed6cedd7b15adb68cd8bbb85a4..8ef613bd45eee6584098edd7f0c367591c562a0d 100644
--- a/content/renderer/media/aec_dump_message_filter.h
+++ b/content/renderer/media/aec_dump_message_filter.h
@@ -22,14 +22,6 @@ namespace content {
 // 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,
@@ -38,12 +30,6 @@ class CONTENT_EXPORT AecDumpMessageFilter : public IPC::MessageFilter {
   // 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_;
@@ -56,14 +42,6 @@ class CONTENT_EXPORT AecDumpMessageFilter : public IPC::MessageFilter {
   // 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;
@@ -71,31 +49,16 @@ class CONTENT_EXPORT AecDumpMessageFilter : public IPC::MessageFilter {
   void OnChannelClosing() override;
 
   // Accessed on |io_task_runner_|.
-  void OnEnableAecDump(int id, IPC::PlatformFileForTransit file_handle);
   void OnEnableEventLog(int id, IPC::PlatformFileForTransit file_handle);
-  void OnDisableAecDump();
   void OnDisableEventLog();
 
   // Accessed on |main_task_runner_|.
-  void DoEnableAecDump(int id, IPC::PlatformFileForTransit file_handle);
   void DoEnableEventLog(int id, IPC::PlatformFileForTransit file_handle);
-  void DoDisableAecDump();
   void DoDisableEventLog();
-  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_;