Upgrade to 1.0 and switch clients to dom-repeat where needed.

third_party/polymer/v0_8/components-chromium/paper-input/paper-input-addon-behavior-extracted.js

+
+
+  /**
+   * Use `Polymer.PaperInputAddonBehavior` to implement an add-on for `<paper-input-container>`. A
+   * add-on appears below the input, and may display information based on the input value and
+   * validity such as a character counter or an error message.
+   * @polymerBehavior
+   */
+  Polymer.PaperInputAddonBehavior = {
+
+    hostAttributes: {
+      'add-on': ''
+    },
+
+    attached: function() {
+      this.fire('addon-attached');
+    },
+
+    /**
+     * The function called by `<paper-input-container>` when the input value or validity changes.
+     * @param {Object} state All properties are optional.
+     * @param {Node} state.inputElement The input element.
+     * @param {String} state.value The input value.
+     * @param {Boolean} state.invalid True if the input value is invalid.
+     */
+    update: function(state) {
+    }
+
+  };
+