Implement SSLClientSocketPool.

net/socket/client_socket_pool.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_SOCKET_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_CLIENT_SOCKET_POOL_H_
 
 #include <deque>
 #include <map>
 #include <string>
@@ skipping 24 matching lines @@
   // 1) RequestSocket returns OK and initializes |handle| with a reused socket.
   // 2) RequestSocket returns OK with a newly connected socket.
   // 3) RequestSocket returns ERR_IO_PENDING.  The handle will be added to a
   // wait list until a socket is available to reuse or a new socket finishes
   // connecting.  |priority| will determine the placement into the wait list.
   // 4) An error occurred early on, so RequestSocket returns an error code.
   // 5) A recoverable error occurred while setting up the socket.  An error
   // code is returned, but the |handle| is initialized with the new socket.
   // The caller must recover from the error before using the connection, or
   // Disconnect the socket before releasing or resetting the |handle|.
-  // The current recoverable errors are: PROXY_AUTH_REQUESTED and the errors
-  // accepted by IsCertificateError(err).
+  // The current recoverable errors are: the errors accepted by
+  // IsCertificateError(err) and PROXY_AUTH_REQUESTED when reported by
+  // HttpProxyClientSocketPool.
   //
   // If this function returns OK, then |handle| is initialized upon return.
   // The |handle|'s is_initialized method will return true in this case.  If a
   // ClientSocket was reused, then ClientSocketPool will call
   // |handle|->set_reused(true).  In either case, the socket will have been
   // allocated and will be connected.  A client might want to know whether or
   // not the socket is reused in order to request a new socket if he encounters
   // an error with the reused socket.
   //
   // If ERR_IO_PENDING is returned, then the callback will be used to notify the
@@ skipping 91 matching lines @@
 // should be optimized out by the compiler.
 #define REGISTER_SOCKET_PARAMS_FOR_POOL(pool_type, socket_params)             \
 template<>                                                                    \
 struct SocketParamTraits<pool_type, scoped_refptr<socket_params> >            \
     : public base::true_type {                                                \
 }
 
 }  // namespace net
 
 #endif  // NET_SOCKET_CLIENT_SOCKET_POOL_H_