diff --git a/extensions/common/extension.cc b/extensions/common/extension.cc
--- a/extensions/common/extension.cc
+++ b/extensions/common/extension.cc
@@ -772,9 +772,9 @@ bool Extension::LoadShortName(std::u16string* error) {
       *error = errors::kInvalidShortName;
       return false;
     }
-    std::u16string localized_short_name =
-        base::UTF8ToUTF16(*localized_short_name_utf8);
-    base::i18n::AdjustStringForLocaleDirection(&localized_short_name);
+    std::u16string localized_short_name = base::CollapseWhitespace(
+        base::UTF8ToUTF16(*localized_short_name_utf8), true);
+    base::i18n::SanitizeUserSuppliedString(&localized_short_name);
     short_name_ = base::UTF16ToUTF8(localized_short_name);
   } else {
     short_name_ = display_name_;