Pepper: Add support for multicast in PPB_UDPSocket API

ppapi/tests/test_udp_socket.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PPAPI_TESTS_TEST_UDP_SOCKET_H_
 #define PPAPI_TESTS_TEST_UDP_SOCKET_H_
 
 #include <string>
 
 #include "ppapi/c/pp_stdint.h"
+#include "ppapi/c/ppb_udp_socket.h"
 #include "ppapi/cpp/net_address.h"
 #include "ppapi/tests/test_case.h"
 
+namespace {
+typedef int32_t (*UDPSocketSetOption)(PP_Resource udp_socket,
+                                      PP_UDPSocket_Option name,
+                                      struct PP_Var value,
+                                      struct PP_CompletionCallback callback);
+}
+
 namespace pp {
 class UDPSocket;
 }
 
 class TestUDPSocket: public TestCase {
  public:
   explicit TestUDPSocket(TestingInstance* instance);
 
   // TestCase implementation.
   virtual bool Init();
   virtual void RunTests(const std::string& filter);
 
  private:
   std::string GetLocalAddress(pp::NetAddress* address);
   std::string SetBroadcastOptions(pp::UDPSocket* socket);
   std::string BindUDPSocket(pp::UDPSocket* socket,
                             const pp::NetAddress& address);
   std::string LookupPortAndBindUDPSocket(pp::UDPSocket* socket,
                                          pp::NetAddress* address);
   std::string ReadSocket(pp::UDPSocket* socket,
                          pp::NetAddress* address,
                          size_t size,
                          std::string* message);
   std::string PassMessage(pp::UDPSocket* target,
                           pp::UDPSocket* source,
                           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();
+  int32_t SetOptionValue(UDPSocketSetOption func,
+                         PP_Resource socket,
+                         PP_UDPSocket_Option option,
+                         const PP_Var& value);
+  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_