Create a private API for controlling WebRTC's AEC3

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 2325 matching lines @@
 
 bool RenderProcessHostImpl::StartWebRTCEventLog(
     const base::FilePath& file_path) {
   return webrtc_eventlog_host_.StartWebRTCEventLog(file_path);
 }
 
 bool RenderProcessHostImpl::StopWebRTCEventLog() {
   return webrtc_eventlog_host_.StopWebRTCEventLog();
 }
 
+void RenderProcessHostImpl::SetEchoCanceller3(bool enable) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  // Piggybacking on AEC dumps.
+  // TODO(hlundin): Change name for aec_dump_consumers_;
+  // http://crbug.com/709919.
+  for (std::vector<int>::iterator it = aec_dump_consumers_.begin();
+       it != aec_dump_consumers_.end(); ++it) {
+    Send(new AudioProcessingMsg_EnableAec3(*it, enable));
+  }
+}
+
 void RenderProcessHostImpl::SetWebRtcLogMessageCallback(
     base::Callback<void(const std::string&)> callback) {
 #if BUILDFLAG(ENABLE_WEBRTC)
   BrowserMainLoop::GetInstance()->media_stream_manager()->
       RegisterNativeLogCallback(GetID(), callback);
 #endif
 }
 
 void RenderProcessHostImpl::ClearWebRtcLogMessageCallback() {
 #if BUILDFLAG(ENABLE_WEBRTC)
@@ skipping 704 matching lines @@
   LOG(ERROR) << "Terminating render process for bad Mojo message: " << error;
 
   // The ReceivedBadMessage call below will trigger a DumpWithoutCrashing.
   // Capture the error message in a crash key value.
   base::debug::ScopedCrashKey error_key_value("mojo-message-error", error);
   bad_message::ReceivedBadMessage(render_process_id,
                                   bad_message::RPH_MOJO_PROCESS_ERROR);
 }
 
 }  // namespace content