[sync] Re-enable SyncErrorTest.XmppAuthErrorTest

chrome/browser/sync/test/integration/sync_errors_test.cc

Index: chrome/browser/sync/test/integration/sync_errors_test.cc
diff --git a/chrome/browser/sync/test/integration/sync_errors_test.cc b/chrome/browser/sync/test/integration/sync_errors_test.cc
index e572a4b3826658aecb2d0d8f9704efe68a8ffd2c..4f65f4c33208d6553afdd3a27039c8652a93d309 100644
--- a/chrome/browser/sync/test/integration/sync_errors_test.cc
+++ b/chrome/browser/sync/test/integration/sync_errors_test.cc
@@ -160,13 +160,7 @@ IN_PROC_BROWSER_TEST_F(SyncErrorTest, AuthErrorTest) {
 
 // Trigger an XMPP auth error, and make sure sync treats it like any
 // other auth error.
-// This has been flaking a lot recently on Mac. http://crbug.com/165328
-#if defined(OS_MACOSX)
-#define MAYBE_XmppAuthErrorTest DISABLED_XmppAuthErrorTest
-#else
-#define MAYBE_XmppAuthErrorTest XmppAuthErrorTest
-#endif
-IN_PROC_BROWSER_TEST_F(SyncErrorTest, MAYBE_XmppAuthErrorTest) {
+IN_PROC_BROWSER_TEST_F(SyncErrorTest, XmppAuthErrorTest) {
   ASSERT_TRUE(SetupClients()) << "SetupClients() failed.";
 
   TriggerXmppAuthError();