Remove a bunch of extra includes.

net/socket/socks_client_socket_pool.h

Index: net/socket/socks_client_socket_pool.h
diff --git a/net/socket/socks_client_socket_pool.h b/net/socket/socks_client_socket_pool.h
index 37963d35fdb77dc299f4725936e2e584c0cefced..ae30d9f62cbf14d01ca4798cf22fdc2bc65c6736 100644
--- a/net/socket/socks_client_socket_pool.h
+++ b/net/socket/socks_client_socket_pool.h
@@ -15,16 +15,16 @@
 #include "base/time.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/host_resolver.h"
-#include "net/proxy/proxy_server.h"
 #include "net/socket/client_socket_pool_base.h"
 #include "net/socket/client_socket_pool_histograms.h"
 #include "net/socket/client_socket_pool.h"
-#include "net/socket/tcp_client_socket_pool.h"
 
 namespace net {
 
 class ClientSocketFactory;
 class ConnectJobFactory;
+class TCPClientSocketPool;
+class TCPSocketParams;
 
 class SOCKSSocketParams : public base::RefCounted<SOCKSSocketParams> {
  public: