Remove flaky marker from nacl_sandbox_test now that it is fixed.

chrome/test/nacl/nacl_sandbox_test.cc

 // Copyright (c) 2010 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 "chrome/test/nacl/nacl_sandbox_test.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "chrome/common/chrome_switches.h"
 
@@ skipping 18 matching lines @@
   dylib_dir = dylib_dir.AppendASCII("nacl_security_tests");
   launch_arguments_.AppendSwitchPath(switches::kTestNaClSandbox, dylib_dir);
 #elif defined(OS_LINUX)
   // We currently do not test the Chrome Linux SUID or seccomp sandboxes.
 #endif
 }
 
 NaClSandboxTest::~NaClSandboxTest() {
 }
 
-// http://crbug.com/50121
-TEST_F(NaClSandboxTest, FLAKY_NaClOuterSBTest) {
+TEST_F(NaClSandboxTest, NaClOuterSBTest) {
   // Load a helloworld .nexe to trigger the nacl loader test.
   FilePath test_file(kSrpcHwHtmlFileName);
   RunTest(test_file, action_max_timeout_ms());
 }