Use extensions socket permission for TCP/UDP socket APIs in Pepper

ppapi/shared_impl/private/net_address_private_impl.h

Index: ppapi/shared_impl/private/net_address_private_impl.h
diff --git a/ppapi/shared_impl/private/net_address_private_impl.h b/ppapi/shared_impl/private/net_address_private_impl.h
index db5d3087f66183fc68f83b43f2a9e095f90a9755..248ae1448cf522781bc009fe44cafdb1aeb3b449 100644
--- a/ppapi/shared_impl/private/net_address_private_impl.h
+++ b/ppapi/shared_impl/private/net_address_private_impl.h
@@ -5,6 +5,7 @@
 #ifndef PPAPI_SHARED_IMPL_PRIVATE_NET_ADDRESS_PRIVATE_IMPL_H_
 #define PPAPI_SHARED_IMPL_PRIVATE_NET_ADDRESS_PRIVATE_IMPL_H_
 
+#include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ -32,6 +33,9 @@ class PPAPI_SHARED_EXPORT NetAddressPrivateImpl {
                                      std::vector<unsigned char>* address,
                                      int* port);
 
+  static std::string DescribeNetAddress(const PP_NetAddress_Private& addr,
+                                        bool include_port);
+
   static const PP_NetAddress_Private kInvalidNetAddress;
 
  private: