[SPDY] Use WeakPtr<SpdySession> everywhere but SpdySessionPool

net/spdy/spdy_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_STREAM_H_
 #define NET_SPDY_SPDY_STREAM_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 139 matching lines @@
 
    protected:
     virtual ~Delegate() {}
 
    private:
     DISALLOW_COPY_AND_ASSIGN(Delegate);
   };
 
   // SpdyStream constructor
   SpdyStream(SpdyStreamType type,
-             SpdySession* session,
+             const base::WeakPtr<SpdySession>& session,
              const GURL& url,
              RequestPriority priority,
              int32 initial_send_window_size,
              int32 initial_recv_window_size,
              const BoundNetLog& net_log);
 
   ~SpdyStream();
 
   // Set the delegate, which must not be NULL. Must not be called more
   // than once. For push streams, calling this may cause buffered data
@@ skipping 156 matching lines @@
   void LogStreamError(int status, const std::string& description);
 
   // If this stream is active, reset it, and close it otherwise. In
   // either case the stream is deleted.
   void Cancel();
 
   // Close this stream without sending a RST_STREAM and delete
   // it.
   void Close();
 
-  // Must be used only by the SpdySession.
+  // Must be used only by |session_|.
   base::WeakPtr<SpdyStream> GetWeakPtr();
 
   // Interface for the delegate to use.
 
   // Only one send can be in flight at a time, except for push
   // streams, which must not send anything.
 
   // Sends the request headers. The delegate is called back via
   // OnRequestHeadersSent() when the request headers have completed
   // sending. |send_status| must be MORE_DATA_TO_SEND for
@@ skipping 135 matching lines @@
   size_t slot_;
 
   // Flow control variables.
   bool send_stalled_by_flow_control_;
   int32 send_window_size_;
   int32 recv_window_size_;
   int32 unacked_recv_window_bytes_;
 
   ScopedBandwidthMetrics metrics_;
 
-  scoped_refptr<SpdySession> session_;
+  const base::WeakPtr<SpdySession> session_;
 
   // The transaction should own the delegate.
   SpdyStream::Delegate* delegate_;
 
   // Whether or not we have more data to send on this stream.
   SpdySendStatus send_status_;
 
   // The headers for the request to send.
   //
   // TODO(akalin): Hang onto this only until we send it. This
@@ skipping 39 matching lines @@
   // When OnFrameWriteComplete() is called, these variables are set.
   SpdyFrameType just_completed_frame_type_;
   size_t just_completed_frame_size_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdyStream);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_STREAM_H_