Pepper: Add support for multicast in PPB_UDPSocket API

ppapi/thunk/ppb_udp_socket_api.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_THUNK_PPB_UDP_SOCKET_API_H_
 #define PPAPI_THUNK_PPB_UDP_SOCKET_API_H_
 
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/ppb_udp_socket.h"
 #include "ppapi/thunk/ppapi_thunk_export.h"
@@ skipping 16 matching lines @@
                            PP_Resource* addr,
                            scoped_refptr<TrackedCallback> callback) = 0;
   virtual int32_t SendTo(const char* buffer,
                          int32_t num_bytes,
                          PP_Resource addr,
                          scoped_refptr<TrackedCallback> callback) = 0;
   virtual void Close() = 0;
   virtual int32_t SetOption1_0(PP_UDPSocket_Option name,
                                const PP_Var& value,
                                scoped_refptr<TrackedCallback> callback) = 0;
+  virtual int32_t SetOption1_1(PP_UDPSocket_Option name,
+                               const PP_Var& value,
+                               scoped_refptr<TrackedCallback> callback) = 0;
   virtual int32_t SetOption(PP_UDPSocket_Option name,
                             const PP_Var& value,
                             scoped_refptr<TrackedCallback> callback) = 0;
+  virtual int32_t JoinGroup(PP_Resource group,
+                            scoped_refptr<TrackedCallback> callback) = 0;
+  virtual int32_t LeaveGroup(PP_Resource group,
+                            scoped_refptr<TrackedCallback> callback) = 0;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_UDP_SOCKET_API_H_