Change WebRTC log callback registration in browser process.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 5ba1bc8e865bd5949b56f6b3d3068da843b266b6..7b45d2eb401401f75daa1861c89ac01d9fda09e8 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -2061,6 +2061,14 @@ void RenderProcessHostImpl::SetWebRtcLogMessageCallback(
 #endif
 }
 
+void RenderProcessHostImpl::UnsetWebRtcLogMessageCallback() {
+#if defined(ENABLE_WEBRTC)
+  BrowserMainLoop::GetInstance()
+      ->media_stream_manager()
+      ->UnregisterNativeLogCallback(GetID());
+#endif
+}
+
 RenderProcessHostImpl::WebRtcStopRtpDumpCallback
 RenderProcessHostImpl::StartRtpDump(
     bool incoming,