[SPDY] Use WeakPtr<SpdySession> everywhere but SpdySessionPool

net/spdy/spdy_websocket_stream.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_SPDY_SPDY_WEBSOCKET_STREAM_H_
 #define NET_SPDY_SPDY_WEBSOCKET_STREAM_H_
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
@@ skipping 40 matching lines @@
     // Called when data is received.
     virtual void OnReceivedSpdyData(scoped_ptr<SpdyBuffer> buffer) = 0;
 
     // Called when SpdyStream is closed.
     virtual void OnCloseSpdyStream() = 0;
 
    protected:
     virtual ~Delegate() {}
   };
 
-  SpdyWebSocketStream(SpdySession* spdy_session, Delegate* delegate);
+  SpdyWebSocketStream(const base::WeakPtr<SpdySession>& spdy_session,
+                      Delegate* delegate);
   virtual ~SpdyWebSocketStream();
 
   // Initializes SPDY stream for the WebSocket.
   // It might create SPDY stream asynchronously.  In this case, this method
   // returns ERR_IO_PENDING and call OnCreatedSpdyStream delegate with result
   // after completion. In other cases, delegate does not be called.
   int InitializeStream(const GURL& url,
                        RequestPriority request_priority,
                        const BoundNetLog& stream_net_log);
 
@@ skipping 11 matching lines @@
 
  private:
   friend class SpdyWebSocketStreamTest;
   FRIEND_TEST_ALL_PREFIXES(SpdyWebSocketStreamTest, Basic);
 
   void OnSpdyStreamCreated(int status);
 
   base::WeakPtrFactory<SpdyWebSocketStream> weak_ptr_factory_;
   SpdyStreamRequest stream_request_;
   base::WeakPtr<SpdyStream> stream_;
-  scoped_refptr<SpdySession> spdy_session_;
+  const base::WeakPtr<SpdySession> spdy_session_;
   size_t pending_send_data_length_;
   Delegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdyWebSocketStream);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_WEBSOCKET_STREAM_H_