Add CreateFromIPv[46]Address() in PPB_NetAddress_Private.

ppapi/cpp/private/net_address_private.cc

Index: ppapi/cpp/private/net_address_private.cc
diff --git a/ppapi/cpp/private/net_address_private.cc b/ppapi/cpp/private/net_address_private.cc
index 1da2115cecf8cbfedb67e0bfd7a4f43ba2f5ebbd..c18bf09bc2e33356cbbbe31de5381ea56d0434f0 100644
--- a/ppapi/cpp/private/net_address_private.cc
+++ b/ppapi/cpp/private/net_address_private.cc
@@ -140,4 +140,27 @@ bool NetAddressPrivate::GetAddress(const PP_NetAddress_Private& addr,
   return false;
 }
 
+// static
+void NetAddressPrivate::CreateFromIPv4Address(
+    const uint8_t ip[4],
+    uint16_t port,
+    struct PP_NetAddress_Private* addr_out) {
+  if (has_interface<PPB_NetAddress_Private_1_0>()) {
+    get_interface<PPB_NetAddress_Private_1_0>()->CreateFromIPv4Address(
+        ip, port, addr_out);
+  }
+}
+
+// static
+void NetAddressPrivate::CreateFromIPv6Address(
+    const uint8_t ip[16],
+    uint32_t scope_id,
+    uint16_t port,
+    struct PP_NetAddress_Private* addr_out) {
+  if (has_interface<PPB_NetAddress_Private_1_0>()) {
+    get_interface<PPB_NetAddress_Private_1_0>()->CreateFromIPv6Address(
+        ip, scope_id, port, addr_out);
+  }
+}
+
 }  // namespace pp