Allow SpdySessionPool to find/create SpdySession with IP pooling disabled.

net/spdy/spdy_session.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_SESSION_H_
 #define NET_SPDY_SPDY_SESSION_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 514 matching lines @@
   bool IsSendStalled() const { return session_send_window_size_ == 0; }
 
   const NetLogWithSource& net_log() const { return net_log_; }
 
   int GetPeerAddress(IPEndPoint* address) const;
   int GetLocalAddress(IPEndPoint* address) const;
 
   // Adds |alias| to set of aliases associated with this session.
   void AddPooledAlias(const SpdySessionKey& alias_key);
 
+  // Removes |alias| from set of aliases associated with this session.
+  void RemovePooledAlias(const SpdySessionKey& alias_key);
+
   // Returns the set of aliases associated with this session.
   const std::set<SpdySessionKey>& pooled_aliases() const {
     return pooled_aliases_;
   }
 
   size_t GetDataFrameMinimumSize() const {
     return buffered_spdy_framer_->GetDataFrameMinimumSize();
   }
 
   size_t GetFrameHeaderSize() const {
@@ skipping 675 matching lines @@
   // 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.
   base::WeakPtrFactory<SpdySession> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_SESSION_H_