Speculative fix for SpdySettingsStorage crasher.

net/spdy/spdy_session.h

 // Copyright (c) 2010 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_SESSION_H_
 #define NET_SPDY_SPDY_SESSION_H_
 #pragma once
 
 #include <deque>
 #include <list>
@@ skipping 277 matching lines @@
   // Calls OnResponseReceived().
   // Returns true if successful.
   bool Respond(const spdy::SpdyHeaderBlock& headers,
                const scoped_refptr<SpdyStream> stream);
 
   void RecordHistograms();
 
   // Closes all streams.  Used as part of shutdown.
   void CloseAllStreams(net::Error status);
 
+  // Invokes a user callback for stream creation.  We provide this method so it
+  // can be deferred to the MessageLoop, so we avoid re-entrancy problems.
+  void InvokeUserStreamCreationCallback(CompletionCallback* callback, int rv);
+
   // Callbacks for the Spdy session.
   CompletionCallbackImpl<SpdySession> read_callback_;
   CompletionCallbackImpl<SpdySession> write_callback_;
 
   // Used for posting asynchronous IO tasks.  We use this even though
   // SpdySession is refcounted because we don't need to keep the SpdySession
   // alive if the last reference is within a RunnableMethod.  Just revoke the
   // method.
   ScopedRunnableMethodFactory<SpdySession> method_factory_;
 
   // The domain this session is connected to.
   const HostPortProxyPair host_port_proxy_pair_;
 
   // |spdy_session_pool_| owns us, therefore its lifetime must exceed ours.  We
   // set this to NULL after we are removed from the pool.
   SpdySessionPool* spdy_session_pool_;
-  SpdySettingsStorage* spdy_settings_;
+  SpdySettingsStorage* const spdy_settings_;
 
   // The socket handle for this session.
   scoped_ptr<ClientSocketHandle> connection_;
 
   // The read buffer used to read data from the socket.
   scoped_refptr<IOBuffer> read_buffer_;
   bool read_pending_;
 
   int stream_hi_water_mark_;  // The next stream id to use.
 
@@ skipping 65 matching lines @@
 
   BoundNetLog net_log_;
 
   static bool use_ssl_;
   static bool use_flow_control_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_SESSION_H_