Create a private API for controlling WebRTC's AEC3

content/public/browser/render_process_host.h

 // 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_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 227 matching lines @@
   // Starts a WebRTC event log for each peerconnection on the render process.
   // A base file_path can be supplied, which will be extended to include several
   // identifiers to ensure uniqueness. If a recording was already in progress,
   // this call will return false and have no other effect.
   virtual bool StartWebRTCEventLog(const base::FilePath& file_path) = 0;
 
   // Stops recording a WebRTC event log for each peerconnection on the render
   // process. If no recording was in progress, this call will return false.
   virtual bool StopWebRTCEventLog() = 0;
 
+  // Enables or disables WebRTC's echo canceller AEC3. Disabled implies
+  // selecting the older AEC2.
+  // Note: This will be removed once the AEC3 is fully rolled out and the old
+  // AEC is deprecated.
+  virtual void SetEchoCanceller3(bool enable) = 0;
+
   // When set, |callback| receives log messages regarding, for example, media
   // devices (webcams, mics, etc) that were initially requested in the render
   // process associated with this RenderProcessHost.
   virtual void SetWebRtcLogMessageCallback(
       base::Callback<void(const std::string&)> callback) = 0;
   virtual void ClearWebRtcLogMessageCallback() = 0;
 
   typedef base::Callback<void(std::unique_ptr<uint8_t[]> packet_header,
                               size_t header_length,
                               size_t packet_length,
@@ skipping 151 matching lines @@
   static void SetMaxRendererProcessCount(size_t count);
 
   // Returns the current maximum number of renderer process hosts kept by the
   // content module.
   static size_t GetMaxRendererProcessCount();
 };
 
 }  // namespace content.
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_H_