Port more unit tests in net/http/

net/base/client_socket_factory.h

Index: net/base/client_socket_factory.h
===================================================================
--- net/base/client_socket_factory.h	(revision 2439)
+++ net/base/client_socket_factory.h	(working copy)
@@ -7,6 +7,8 @@
 
 #include <string>
 
+#include "build/build_config.h"
+
 namespace net {
 
 class AddressList;
@@ -21,9 +23,12 @@
   virtual ClientSocket* CreateTCPClientSocket(
       const AddressList& addresses) = 0;
 
+// TODO(port): Enable when ssl_client socket is ported.
+#if defined(OS_WIN)
   virtual ClientSocket* CreateSSLClientSocket(
       ClientSocket* transport_socket,
       const std::string& hostname) = 0;
+#endif
 
   // Returns the default ClientSocketFactory.
   static ClientSocketFactory* GetDefaultFactory();