Fix typos in num_failures_by_type for json results.

chrome/test/mini_installer/test_installer.py

 # 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.
 
 """This script tests the installer with test cases specified in the config file.
 
 For each test case, it checks that the machine states after the execution of
 each command match the expected machine states. For more details, take a look at
 the design documentation at http://goo.gl/Q0rGM6
 """
@@ skipping 317 matching lines @@
   full_results['version'] = 3
   full_results['seconds_since_epoch'] = time.time()
   for md in metadata:
     key, val = md.split('=', 1)
     full_results[key] = val
 
   all_test_names = _AllTestNames(suite)
   failed_test_names = _FailedTestNames(result)
 
   full_results['num_failures_by_type'] = {
-      'Failure': len(failed_test_names),
-      'Pass': len(all_test_names) - len(failed_test_names),
+      'FAIL': len(failed_test_names),
+      'PASS': len(all_test_names) - len(failed_test_names),
   }
 
   full_results['tests'] = {}
 
   for test_name in all_test_names:
     value = {
         'expected': 'PASS',
         'actual': 'FAIL' if (test_name in failed_test_names) else 'PASS',
     }
     _AddPathToTrie(full_results['tests'], test_name, value)
@@ skipping 21 matching lines @@
     trie[path] = value
     return
   directory, rest = path.split(TEST_SEPARATOR, 1)
   if directory not in trie:
     trie[directory] = {}
   _AddPathToTrie(trie[directory], rest, value)
 
 
 if __name__ == '__main__':
   sys.exit(main())