Convert ignore_limits from a SocketParam to a socket request argument.

net/http/http_proxy_client_socket_wrapper.h

Index: net/http/http_proxy_client_socket_wrapper.h
diff --git a/net/http/http_proxy_client_socket_wrapper.h b/net/http/http_proxy_client_socket_wrapper.h
index 70e3882be68eee5b8440abe55037068d39c53aed..e3a98ff7ebe3ccb0026159f1aab97e0d129ee717 100644
--- a/net/http/http_proxy_client_socket_wrapper.h
+++ b/net/http/http_proxy_client_socket_wrapper.h
@@ -55,6 +55,7 @@ class HttpProxyClientSocketWrapper : public ProxyClientSocket {
   HttpProxyClientSocketWrapper(
       const std::string& group_name,
       RequestPriority priority,
+      ClientSocketPool::RespectLimits respect_limits,
       base::TimeDelta connect_timeout_duration,
       base::TimeDelta proxy_negotiation_timeout_duration,
       TransportClientSocketPool* transport_pool,
@@ -168,6 +169,7 @@ class HttpProxyClientSocketWrapper : public ProxyClientSocket {
 
   const std::string group_name_;
   RequestPriority priority_;
+  ClientSocketPool::RespectLimits respect_limits_;
   const base::TimeDelta connect_timeout_duration_;
   const base::TimeDelta proxy_negotiation_timeout_duration_;