Deprecate NonThreadSafe in remoting in favor of SequenceChecker.

remoting/host/host_status_logger.h

Index: remoting/host/host_status_logger.h
diff --git a/remoting/host/host_status_logger.h b/remoting/host/host_status_logger.h
index 19983db2e6f1076b20a0f4903e8c756472ed17a4..55771cc3adc1d16b5a76e9cd5fa73b977278abb6 100644
--- a/remoting/host/host_status_logger.h
+++ b/remoting/host/host_status_logger.h
@@ -9,7 +9,7 @@
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
+#include "base/sequence_checker.h"
 #include "remoting/host/host_status_observer.h"
 #include "remoting/protocol/transport.h"
 #include "remoting/signaling/log_to_server.h"
@@ -21,8 +21,7 @@ class HostStatusMonitor;
 // HostStatusLogger sends host log entries to a server.
 // The contents of the log entries are described in server_log_entry_host.cc.
 // They do not contain any personally identifiable information.
-class HostStatusLogger : public HostStatusObserver,
-                         public base::NonThreadSafe {
+class HostStatusLogger : public HostStatusObserver {
  public:
   HostStatusLogger(base::WeakPtr<HostStatusMonitor> monitor,
                   ServerLogEntry::Mode mode,
@@ -54,6 +53,8 @@ class HostStatusLogger : public HostStatusObserver,
   std::map<std::string, protocol::TransportRoute::RouteType>
       connection_route_type_;
 
+  SEQUENCE_CHECKER(sequence_checker_);
+
   DISALLOW_COPY_AND_ASSIGN(HostStatusLogger);
 };