There is a racing between SyncSocket::Receive in audio_thread_ and SyncSocket::Close in renderer ...

content/renderer/renderer_webaudiodevice_impl.cc

Index: content/renderer/renderer_webaudiodevice_impl.cc
diff --git a/content/renderer/renderer_webaudiodevice_impl.cc b/content/renderer/renderer_webaudiodevice_impl.cc
index fb5dc1bb89e481bbc023321014687aeb0083a814..c678a7b8e15d3838c3d668dea953e67634bf1a40 100644
--- a/content/renderer/renderer_webaudiodevice_impl.cc
+++ b/content/renderer/renderer_webaudiodevice_impl.cc
@@ -27,8 +27,8 @@ void RendererWebAudioDeviceImpl::start() {
 
 void RendererWebAudioDeviceImpl::stop() {
   if (is_running_) {
-    if (audio_device_->Stop())
-      is_running_ = false;
+    audio_device_->Stop();
+    is_running_ = false;
   }
 }