@Override
 public void onCreate(Bundle savedInstanceState) {
   mTest.preCreate(this);
   super.onCreate(savedInstanceState);
   mTest.postCreate(this);
   for (String flag : BROWSER_TESTS_FLAGS) {
     appendCommandLineFlags(flag);
   }
 }
 @Override
 public void onStart() {
   deletePrivateDataDirectory();
   initializeBrowserProcess();
   super.onStart();
   mTest.postStart(this, false);
 }
 public void appendCommandLineFlags(String flags) {
   mTest.appendCommandLineFlags(flags);
 }