Add newline to end of file.

base/test/launcher/unit_test_launcher_ios.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 "base/test/launcher/unit_test_launcher.h"
 
 namespace base {
 
 int LaunchUnitTests(int argc,
                     char** argv,
                     const RunTestSuiteCallback& run_test_suite) {
   // Stub implementation - iOS doesn't support features we need for
   // the full test launcher (e.g. process_util).
   return run_test_suite.Run();
 }
 
-}  // namespace base
+}  // namespace base