Remove timing limitation of SetOption invocation for PPAPI sockets.

ppapi/proxy/udp_socket_private_resource.cc

Index: ppapi/proxy/udp_socket_private_resource.cc
diff --git a/ppapi/proxy/udp_socket_private_resource.cc b/ppapi/proxy/udp_socket_private_resource.cc
index af43c10fb05e281043f35d3b0476553d9072853e..60afc6f3593f1b8b780329803f595ccbef82e689 100644
--- a/ppapi/proxy/udp_socket_private_resource.cc
+++ b/ppapi/proxy/udp_socket_private_resource.cc
@@ -41,7 +41,9 @@ int32_t UDPSocketPrivateResource::SetSocketFeature(
       NOTREACHED();
       return PP_ERROR_BADARGUMENT;
   }
-  int32_t result = SetOptionImpl(public_name, value, NULL);
+  int32_t result = SetOptionImpl(public_name, value,
+                                 true,  // Check bind() state.
+                                 NULL);
   return result == PP_OK_COMPLETIONPENDING ? PP_OK : result;
 }