linux: enable seccomp sandbox by default

chrome/test/nacl/nacl_test.cc

Index: chrome/test/nacl/nacl_test.cc
diff --git a/chrome/test/nacl/nacl_test.cc b/chrome/test/nacl/nacl_test.cc
index 156048466e6242815ae43c331eed7d2a2e562616..456cc1d0ec5c4eeaeacf9887feab1bd7cddd9b94 100644
--- a/chrome/test/nacl/nacl_test.cc
+++ b/chrome/test/nacl/nacl_test.cc
@@ -57,8 +57,14 @@ const FilePath::CharType kServerHtmlFileName[] =
 NaClTest::NaClTest()
     : UITest() {
   launch_arguments_.AppendSwitch(switches::kEnableNaCl);
+
+  // Currently we disable some of the sandboxes.  See:
+  // Make NaCl work in Chromium's Linux seccomp sandbox and the Mac sandbox
+  // http://code.google.com/p/nativeclient/issues/detail?id=344
 #if defined(OS_MACOSX)
   launch_arguments_.AppendSwitch(switches::kNoSandbox);
+#elif defined(OS_LINUX) && defined(USE_SECCOMP_SANDBOX)
+  launch_arguments_.AppendSwitch(switches::kDisableSeccompSandbox);
 #endif
 }