Revert of Don't use barcodes in ProtocolPerfTests

remoting/host/client_session.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_CLIENT_SESSION_H_
 #define REMOTING_HOST_CLIENT_SESSION_H_
 
 #include <cstdint>
 #include <memory>
 #include <string>
@@ skipping 122 matching lines @@
   ClientSessionControl* session_control() override;
 
   protocol::ConnectionToClient* connection() const { return connection_.get(); }
 
   bool is_authenticated() { return is_authenticated_; }
 
   const std::string* client_capabilities() const {
     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();
 
   // protocol::VideoStream::Observer implementation.
   void OnVideoSizeChanged(protocol::VideoStream* stream,
                           const webrtc::DesktopSize& size,
                           const webrtc::DesktopVector& dpi) override;
 
   EventHandler* event_handler_;
@@ skipping 77 matching lines @@
 
   // Used to store video channel pause & lossless parameters.
   bool pause_video_ = false;
   bool lossless_video_encode_ = false;
   bool lossless_video_color_ = false;
 
   // VideoLayout is sent only after the control channel is connected. Until
   // 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_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSession);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CLIENT_SESSION_H_