Calculate local/remote clock delta and capture ntp timestamp in receiver's timebase.

BUG=3111
TEST=new performance tests
R=niklas.enbom@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/11689004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@5976 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/test/frame_generator_capturer.h b/test/frame_generator_capturer.h
index 5be6bb2..84b3c49 100644
--- a/test/frame_generator_capturer.h
+++ b/test/frame_generator_capturer.h
@@ -43,6 +43,8 @@
   virtual void Start() OVERRIDE;
   virtual void Stop() OVERRIDE;
 
+  int64_t first_frame_capture_time() const { return first_frame_capture_time_; }
+
  private:
   FrameGeneratorCapturer(Clock* clock,
                          VideoSendStreamInput* input,
@@ -61,6 +63,8 @@
   scoped_ptr<FrameGenerator> frame_generator_;
 
   int target_fps_;
+
+  int64_t first_frame_capture_time_;
 };
 }  // test
 }  // webrtc