Pepper: Add support for multicast in PPB_UDPSocket API

ppapi/tests/test_udp_socket.h

Index: ppapi/tests/test_udp_socket.h
diff --git a/ppapi/tests/test_udp_socket.h b/ppapi/tests/test_udp_socket.h
index 2a2a473508462b5ea3ee5656e35254e4ca9d0403..af2e717f74bba32807952216cc609001e7a556bb 100644
--- a/ppapi/tests/test_udp_socket.h
+++ b/ppapi/tests/test_udp_socket.h
@@ -39,13 +39,20 @@ class TestUDPSocket: public TestCase {
                           const pp::NetAddress& target_address,
                           const std::string& message,
                           pp::NetAddress* recvfrom_address);
+  std::string SetMulticastOptions(pp::UDPSocket* socket);
 
   std::string TestReadWrite();
   std::string TestBroadcast();
+  std::string TestSetOption_1_0();
+  std::string TestSetOption_1_1();
   std::string TestSetOption();
   std::string TestParallelSend();
+  std::string TestMulticast();
 
   pp::NetAddress address_;
+
+  const PPB_UDPSocket_1_0* socket_interface_1_0_;
+  const PPB_UDPSocket_1_1* socket_interface_1_1_;
 };
 
 #endif  // PPAPI_TESTS_TEST_UDP_SOCKET_H_