Add --fatal-infos; hide --fatal-hints.

pkg/analyzer_cli/lib/src/driver.dart

Index: pkg/analyzer_cli/lib/src/driver.dart
diff --git a/pkg/analyzer_cli/lib/src/driver.dart b/pkg/analyzer_cli/lib/src/driver.dart
index 0ee3e6a61d8bae0e29dc4757f5e9284a2c27001a..0c3ca2eb240918b638370a8a2cb7bd5bd9bfd7b9 100644
--- a/pkg/analyzer_cli/lib/src/driver.dart
+++ b/pkg/analyzer_cli/lib/src/driver.dart
@@ -747,9 +747,9 @@ class Driver implements CommandLineStarter {
     if (severity == ErrorSeverity.ERROR) {
       return true;
     } else if (severity == ErrorSeverity.WARNING &&
-        (options.warningsAreFatal || options.hintsAreFatal)) {
+        (options.warningsAreFatal || options.infosAreFatal)) {
       return true;
-    } else if (severity == ErrorSeverity.INFO && options.hintsAreFatal) {
+    } else if (severity == ErrorSeverity.INFO && options.infosAreFatal) {
       return true;
     } else {
       return false;