Allow multiple logging::LogMessage{Handler,Listener}s

remoting/host/native_messaging/log_message_handler.h

Index: remoting/host/native_messaging/log_message_handler.h
diff --git a/remoting/host/native_messaging/log_message_handler.h b/remoting/host/native_messaging/log_message_handler.h
index 201c7ba77cf9df592ece0827b0a17e79bfcbaa82..6c093448a85716e002e2704cf7c481bc2fcb3fd9 100644
--- a/remoting/host/native_messaging/log_message_handler.h
+++ b/remoting/host/native_messaging/log_message_handler.h
@@ -15,7 +15,7 @@
 
 namespace remoting {
 
-// Helper class for logging::SetLogMessageHandler to deliver log messages to
+// Helper class for logging::PushLogMessageHandler to deliver log messages to
 // a consistent thread in a thread-safe way and in a format suitable for sending
 // over a Native Messaging channel.
 class LogMessageHandler {
@@ -41,7 +41,6 @@ class LogMessageHandler {
   Delegate delegate_;
   bool suppress_logging_;
   scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
-  logging::LogMessageHandlerFunction previous_log_message_handler_;
   base::WeakPtrFactory<LogMessageHandler> weak_ptr_factory_;
 };