Merge changes 3953,3954 into donut

* changes:
  Make the file backup helper not crash if a file you requested can't be stated.  This means you don't need to know if the files you are backing up exist or not -- we'll figure it out for you.
  Fix SharedPrefsBackupHelper so it doesn't hard code the paths to the files.

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/backup/backup_helper_test.cpp b/tests/backup/backup_helper_test.cpp
index f087941..04358ad 100644
--- a/tests/backup/backup_helper_test.cpp
+++ b/tests/backup/backup_helper_test.cpp
@@ -38,6 +38,8 @@ Test TESTS[] = {
     { "backup_helper_test_empty", backup_helper_test_empty, 0, false },
     { "backup_helper_test_four", backup_helper_test_four, 0, false },
     { "backup_helper_test_files", backup_helper_test_files, 0, false },
+    { "backup_helper_test_null_base", backup_helper_test_null_base, 0, false },
+    { "backup_helper_test_missing_file", backup_helper_test_missing_file, 0, false },
     { "backup_helper_test_data_writer", backup_helper_test_data_writer, 0, false },
     { "backup_helper_test_data_reader", backup_helper_test_data_reader, 0, false },
     { 0, NULL, 0, false}