Revert "[NaCl SDK] Temporarily disable SocketTestTCP.Listen test under PNaCl"

native_client_sdk/src/tests/nacl_io_socket_test/socket_test.cc

 // 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.
 
 #include <arpa/inet.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <netinet/in.h>
 #include <pthread.h>
 #include <sys/types.h>
@@ skipping 566 matching lines @@
 
   free(inbuf);
   free(outbuf);
 }
 
 TEST_F(SocketTestUDP, Listen) {
   EXPECT_EQ(-1, ki_listen(sock1_, 10));
   EXPECT_EQ(errno, ENOTSUP);
 }
 
-// Temporarily disable the TCP Listen test on PNaCl;
-// TODO(sbc): Re-enable once we fix the issue: http://crbug/377084
-#ifdef __pnacl__
-#define MAYBE_Listen DISABLED_Listen
-#else
-#define MAYBE_Listen Listen
-#endif
-
-TEST_F(SocketTestTCP, MAYBE_Listen) {
+TEST_F(SocketTestTCP, Listen) {
   sockaddr_in addr;
   socklen_t addrlen = sizeof(addr);
   const char* client_greeting = "hello";
   const char* server_reply = "reply";
   const int greeting_len = strlen(client_greeting);
   const int reply_len = strlen(server_reply);
 
   int server_sock = sock1_;
 
   // Accept before listen should fail
@@ skipping 208 matching lines @@
   while (remainder > 0) {
     int rtn = ki_recv(new_sock, buffer, remainder, 0);
     ASSERT_GT(rtn, 0);
     remainder -= rtn;
   }
 
   ASSERT_EQ(0, ki_close(new_sock));
 }
 
 #endif  // PROVIDES_SOCKET_API