Don't save SSNs--quick style fix.

BUG=http://crbug.com/46590
TEST=unit test

Review URL: http://codereview.chromium.org/2862042

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@51536 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/autocomplete_history_manager.cc

@@ -49,7 +49,7 @@ bool IsSSN(const string16& text) {
   int area = StringToInt(area_string);
   if (area < 1 ||
       area == 666 ||
-      area > 733 && area < 750 ||
+      (area > 733 && area < 750) ||
       area > 772)
     return false;