replace OVERRIDE and FINAL with override and final in remoting/

remoting/protocol/channel_multiplexer.h

Index: remoting/protocol/channel_multiplexer.h
diff --git a/remoting/protocol/channel_multiplexer.h b/remoting/protocol/channel_multiplexer.h
index 506dc4b78af48af743a4676925832ff4a0325c83..99a3112495127b9911ce35088e94614f0fda3996 100644
--- a/remoting/protocol/channel_multiplexer.h
+++ b/remoting/protocol/channel_multiplexer.h
@@ -25,8 +25,8 @@ class ChannelMultiplexer : public StreamChannelFactory {
 
   // StreamChannelFactory interface.
   virtual void CreateChannel(const std::string& name,
-                             const ChannelCreatedCallback& callback) OVERRIDE;
-  virtual void CancelChannelCreation(const std::string& name) OVERRIDE;
+                             const ChannelCreatedCallback& callback) override;
+  virtual void CancelChannelCreation(const std::string& name) override;
 
  private:
   struct PendingChannel;