Chromoting to report roundtrip latency

remoting/base/capture_data.h

 // Copyright (c) 2011 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_BASE_CAPTURE_DATA_H_
 #define REMOTING_BASE_CAPTURE_DATA_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 36 matching lines @@
   InvalidRects& mutable_dirty_rects() { return dirty_rects_; }
 
   // Return the time spent on capturing.
   int capture_time_ms() const { return capture_time_ms_; }
 
   // Set the time spent on capturing.
   void set_capture_time_ms(int capture_time_ms) {
     capture_time_ms_ = capture_time_ms;
   }
 
+  int64 client_sequence_number() const { return client_sequence_number_; }
+
+  void set_client_sequence_number(int64 client_sequence_number) {
+    client_sequence_number_ = client_sequence_number;
+  }
+
  private:
   const DataPlanes data_planes_;
   InvalidRects dirty_rects_;
   gfx::Size size_;
   media::VideoFrame::Format pixel_format_;
 
   // Time spent in capture. Unit is in milliseconds.
   int capture_time_ms_;
 
+  // Sequence number supplied by client for performance tracking.
+  int64 client_sequence_number_;
+
   friend class base::RefCountedThreadSafe<CaptureData>;
   virtual ~CaptureData();
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_CAPTURE_DATA_H_