QUIC - track the time it takes for OnStreamReadyCallback() to be called.

net/http/http_stream_factory_impl_job.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 NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_
 #define NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 389 matching lines @@
   base::WeakPtr<SpdySession> new_spdy_session_;
 
   // Initialized when we have an existing SpdySession.
   base::WeakPtr<SpdySession> existing_spdy_session_;
 
   // Only used if |new_spdy_session_| is non-NULL.
   bool spdy_session_direct_;
 
   JobStatus job_status_;
   JobStatus other_job_status_;
+  base::TimeTicks job_stream_ready_start_time_;
 
   // True if BidirectionalStreamJob is requested.
   bool for_bidirectional_;
 
   base::WeakPtrFactory<Job> ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Job);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_