Don't use barcodes in ProtocolPerfTests

remoting/host/client_session.h

Index: remoting/host/client_session.h
diff --git a/remoting/host/client_session.h b/remoting/host/client_session.h
index 96e177fca209b03ed68e8b4b3bec1355a65eb8e4..8f10358b016f6b4d3d9ad857dc4e9288eda5aa3c 100644
--- a/remoting/host/client_session.h
+++ b/remoting/host/client_session.h
@@ -140,6 +140,10 @@ class ClientSession : public base::NonThreadSafe,
     return client_capabilities_.get();
   }
 
+  void SetEventTimestampsSourceForTests(
+      scoped_refptr<protocol::InputEventTimestampsSource>
+          event_timestamp_source);
+
  private:
   // Creates a proxy for sending clipboard events to the client.
   std::unique_ptr<protocol::ClipboardStub> CreateClipboardProxy();
@@ -237,6 +241,9 @@ class ClientSession : public base::NonThreadSafe,
   // then it's stored in |pending_video_layout_message_|.
   std::unique_ptr<protocol::VideoLayout> pending_video_layout_message_;
 
+  scoped_refptr<protocol::InputEventTimestampsSource>
+      event_timestamp_source_for_tests_;
+
   // Used to disable callbacks to |this| once DisconnectSession() has been
   // called.
   base::WeakPtrFactory<ClientSessionControl> weak_factory_;