Update bower.json for Polymer elements and add PRESUBMIT.py

third_party/polymer/v1_0/components/paper-menu/paper-menu.html

 <!--
 @license
 Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
 This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
 The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
 Code distributed by Google as part of the polymer project is also
 subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
 -->
 
 <link rel="import" href="../polymer/polymer.html">
 <link rel="import" href="../iron-menu-behavior/iron-menu-behavior.html">
 <link rel="import" href="../paper-styles/paper-styles.html">
 
 <!--
 `<paper-menu>` implements an accessible menu control with Material Design styling. The focused item
 is highlighted, and the selected item has bolded text.
 
     <paper-menu>
       <paper-item>Item 1</paper-item>
       <paper-item>Item 2</paper-item>
     </paper-menu>
 
+An initial selection can be specified with the `selected` attribute.
+
+    <paper-menu selected="0">
+      <paper-item>Item 1</paper-item>
+      <paper-item>Item 2</paper-item>
+    </paper-menu>
+
 Make a multi-select menu with the `multi` attribute. Items in a multi-select menu can be deselected,
 and multiple item can be selected.
 
     <paper-menu multi>
       <paper-item>Item 1</paper-item>
       <paper-item>Item 2</paper-item>
     </paper-menu>
 
 ### Styling
 
 The following custom properties and mixins are available for styling:
 
 Custom property | Description | Default
 ----------------|-------------|----------
 `--paper-menu-background-color`   | Menu background color                                            | `--primary-background-color`
-`-paper-menu-color`               | Menu foreground color                                            | `--primary-text-color`
+`--paper-menu-color`               | Menu foreground color                                            | `--primary-text-color`
 `--paper-menu-disabled-color`     | Foreground color for a disabled item                             | `--disabled-text-color`
 `--paper-menu`                    | Mixin applied to the menu                                        | `{}`
 `--paper-menu-selected-item`      | Mixin applied to the selected item                               | `{}`
 `--paper-menu-focused-item`       | Mixin applied to the focused item                                | `{}`
 `--paper-menu-focused-item-after` | Mixin applied to the ::after pseudo-element for the focused item | `{}`
 
 ### Accessibility
 
 `<paper-menu>` has `role="menu"` by default. A multi-select menu will also have
 `aria-multiselectable` set. It implements key bindings to navigate through the menu with the up and
@@ skipping 28 matching lines @@
     }
 
     .content > ::content > [disabled] {
       color: var(--paper-menu-disabled-color, --disabled-text-color);
     }
 
     .content > ::content > *:focus {
       position: relative;
       outline: 0;
 
-      @apply(--paper-menu-colored-focused-item);
+      @apply(--paper-menu-focused-item);
     }
 
     .content > ::content > *:focus:after {
       @apply(--layout-fit);
       background: currentColor;
       /* FIXME move to paper-styles for next widget */
       opacity: 0.12;
       content: '';
 
-      @apply(--paper-menu-colored-focused-item-after);
+      @apply(--paper-menu-focused-item-after);
     }
 
     .content > ::content > *[colored]:focus:after {
       opacity: 0.26;
     }
 
   </style>
 
   <template>
 
@@ skipping 15 matching lines @@
 
     behaviors: [
       Polymer.IronMenuBehavior
     ]
 
   });
 
 })();
 
 </script>