[SPDY] Use WeakPtr<SpdySession> everywhere but SpdySessionPool

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/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 289 matching lines @@
   bool was_npn_negotiated_;
 
   // Protocol negotiated with the server.
   NextProto protocol_negotiated_;
 
   // 0 if we're not preconnecting. Otherwise, the number of streams to
   // preconnect.
   int num_streams_;
 
   // Initialized when we create a new SpdySession.
-  scoped_refptr<SpdySession> new_spdy_session_;
+  base::WeakPtr<SpdySession> new_spdy_session_;
 
   // Initialized when we have an existing SpdySession.
-  scoped_refptr<SpdySession> existing_spdy_session_;
+  base::WeakPtr<SpdySession> existing_spdy_session_;
 
   // Only used if |new_spdy_session_| is non-NULL.
   bool spdy_session_direct_;
 
   // Key used to identify the HttpPipelinedHost for |request_|.
   scoped_ptr<HttpPipelinedHost::Key> http_pipelining_key_;
 
   // True if an existing pipeline can handle this job's request.
   bool existing_available_pipeline_;
 
   base::WeakPtrFactory<Job> ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Job);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_FACTORY_IMPL_JOB_H_