Improve download recovery flow:

chrome/browser/resources/md_downloads/crisper.js

Index: chrome/browser/resources/md_downloads/crisper.js
diff --git a/chrome/browser/resources/md_downloads/crisper.js b/chrome/browser/resources/md_downloads/crisper.js
index 788866b9d98d22cdeb30ab383b5e2f42e590fb09..9d6588e0d527db4724e611c49c7016d866b22560 100644
--- a/chrome/browser/resources/md_downloads/crisper.js
+++ b/chrome/browser/resources/md_downloads/crisper.js
@@ -3568,20 +3568,18 @@ cr.define('downloads', function() {
         var fileName = data.file_name;
         switch (data.danger_type) {
          case downloads.DangerType.DANGEROUS_FILE:
-          return loadTimeData.getStringF('dangerFileDesc', fileName);
+          return loadTimeData.getString('dangerFileDesc');
 
          case downloads.DangerType.DANGEROUS_URL:
-          return loadTimeData.getString('dangerUrlDesc');
-
          case downloads.DangerType.DANGEROUS_CONTENT:
          case downloads.DangerType.DANGEROUS_HOST:
-          return loadTimeData.getStringF('dangerContentDesc', fileName);
+          return loadTimeData.getString('dangerDownloadDesc');
 
          case downloads.DangerType.UNCOMMON_CONTENT:
-          return loadTimeData.getStringF('dangerUncommonDesc', fileName);
+          return loadTimeData.getString('dangerUncommonDesc');
 
          case downloads.DangerType.POTENTIALLY_UNWANTED:
-          return loadTimeData.getStringF('dangerSettingsDesc', fileName);
+          return loadTimeData.getString('dangerSettingsDesc');
         }
         break;