Cache the override for WebRTC's AEC3 in RenderProcessHostImpl

content/browser/renderer_host/render_process_host_impl.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_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 632 matching lines @@
                   BrowserThread::DeleteOnIOThread>
       audio_output_stream_factory_context_;
 
   scoped_refptr<AudioInputRendererHost> audio_input_renderer_host_;
 
 #if BUILDFLAG(ENABLE_WEBRTC)
   scoped_refptr<P2PSocketDispatcherHost> p2p_socket_dispatcher_host_;
 
   // Must be accessed on UI thread.
   std::vector<int> aec_dump_consumers_;
+  base::Optional<bool> override_aec3_;
 
   WebRtcStopRtpDumpCallback stop_rtp_dump_callback_;
 
   WebRTCEventLogHost webrtc_eventlog_host_;
 #endif
 
   // Forwards messages between WebRTCInternals in the browser process
   // and PeerConnectionTracker in the renderer process.
   // It holds a raw pointer to webrtc_eventlog_host_, and therefore should be
   // defined below it so it is destructed first.
@@ skipping 50 matching lines @@
   FrameSinkProviderImpl frame_sink_provider_;
 
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_