Remove timing limitation of SetOption invocation for PPAPI sockets.

ppapi/thunk/ppb_udp_socket_api.h

Index: ppapi/thunk/ppb_udp_socket_api.h
diff --git a/ppapi/thunk/ppb_udp_socket_api.h b/ppapi/thunk/ppb_udp_socket_api.h
index adc2799116f2b94a277400788ddde401aee75215..3a03ea76c82832bdf61a198bfebd345449dab916 100644
--- a/ppapi/thunk/ppb_udp_socket_api.h
+++ b/ppapi/thunk/ppb_udp_socket_api.h
@@ -31,6 +31,9 @@ class PPAPI_THUNK_EXPORT PPB_UDPSocket_API {
                          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 SetOption(PP_UDPSocket_Option name,
                             const PP_Var& value,
                             scoped_refptr<TrackedCallback> callback) = 0;