Convert ignore_limits from a SocketParam to a socket request argument.

net/socket/client_socket_pool.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_SOCKET_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_CLIENT_SOCKET_POOL_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 78 matching lines @@
   // StreamSocket 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 it encounters
   // an error with the reused socket.
   //
   // If ERR_IO_PENDING is returned, then the callback will be used to notify the
   // client of completion.
   //
   // Profiling information for the request is saved to |net_log| if non-NULL.
+  //
+  // If |ignore_limits| is true, priority must be HIGHEST, and the request will
+  // ignore normal socket pool group limits.
   virtual int RequestSocket(const std::string& group_name,
                             const void* params,
                             RequestPriority priority,
+                            bool ignore_limits,
                             ClientSocketHandle* handle,
                             const CompletionCallback& callback,
                             const BoundNetLog& net_log) = 0;
 
   // RequestSockets is used to request that |num_sockets| be connected in the
   // connection group for |group_name|.  If the connection group already has
   // |num_sockets| idle sockets / active sockets / currently connecting sockets,
   // then this function doesn't do anything.  Otherwise, it will start up as
   // many connections as necessary to reach |num_sockets| total sockets for the
   // group.  It uses |params| to control how to connect the sockets.   The
@@ skipping 80 matching lines @@
     const std::string& group_name,
     const scoped_refptr<typename PoolType::SocketParams>& params,
     int num_sockets,
     const BoundNetLog& net_log) {
   pool->RequestSockets(group_name, &params, num_sockets, net_log);
 }
 
 }  // namespace net
 
 #endif  // NET_SOCKET_CLIENT_SOCKET_POOL_H_