update elements and fix some bugs

lib/src/paper-input/paper-input-behavior.html

Index: lib/src/paper-input/paper-input-behavior.html
diff --git a/lib/src/paper-input/paper-input-behavior.html b/lib/src/paper-input/paper-input-behavior.html
index 6d8c18fad3999a047243434e36857bab3d879bb3..09f31d83bc4377003cf5395a14acec2bfdf239d9 100644
--- a/lib/src/paper-input/paper-input-behavior.html
+++ b/lib/src/paper-input/paper-input-behavior.html
@@ -91,7 +91,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       },
 
       /**
-       * The datalist of the input (if any). This should match the id of an existing <datalist>. Bind this
+       * The datalist of the input (if any). This should match the id of an existing `<datalist>`. Bind this
        * to the `<input is="iron-input">`'s `list` property.
        */
       list: {
@@ -279,6 +279,34 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
         value: 'off'
       },
 
+      /**
+       * Bind this to the `<input is="iron-input">`'s `autosave` property, used with type=search.
+       */
+      autosave: {
+        type: String
+      },
+
+      /**
+       * Bind this to the `<input is="iron-input">`'s `results` property, , used with type=search.
+       */
+      results: {
+        type: Number
+      },
+
+      /**
+       * Bind this to the `<input is="iron-input">`'s `accept` property, , used with type=file.
+       */
+      accept: {
+        type: String
+      },
+
+      /**
+       * Bind this to the `<input is="iron-input">`'s `multiple` property, , used with type=file.
+       */
+      multiple: {
+        type: Boolean
+      },
+
       _ariaDescribedBy: {
         type: String,
         value: ''