Add a password handler to get the list of passwords in md-settings.

chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js

Index: chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
diff --git a/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js b/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
index fc506e8b83868ed33696480fa02f6410303f4163..f07ec7fd00372b863e638e524830c425dbdb5995 100644
--- a/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
+++ b/chrome/browser/resources/settings/passwords_and_forms_page/passwords_section.js
@@ -19,11 +19,19 @@ Polymer({
   properties: {
     /**
      * An array of passwords to display.
+     * @type {!Array<!chrome.passwordsPrivate.PasswordUiEntry>}
      */
     savedPasswords: {
-      type: Array,

[michaelpg, 2016/01/27 04:23:43]

still a required parameter for polymer (run-time) regardless of closure (static
analysis)

[hcarmona, 2016/01/29 23:52:11]

Done, here and elsewhere.

       value: function() { return []; },
     },
   },
+
+  /**
+   * Creates an empty password of specified length.
+   * @param {number} length
+   * @return {string} password
+   * @private
+   */
+  getEmptyPassword_(length) { return ' '.repeat(length); },
 });
 })();