MD Settings: Make password dialog inputs appear read-only

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

Index: chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js
diff --git a/chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js b/chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js
index bfa1e2d283934a8ab457b62192c836d1dac2ad9c..2970cd7e2473e29282bba493e6cc36ca850c60a7 100644
--- a/chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js
+++ b/chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js
@@ -97,5 +97,14 @@ Polymer({
     // TODO(hcarmona): what to save?
     this.close();
   },
+
+  /**
+   * @param {!Event} event
+   * @private
+   */
+  onReadonlyInputTap_: function(event) {
+    /** @type {!PaperInputElement} */ (Polymer.dom(event).localTarget)
+        .inputElement.select();
+  }
 });
 })();