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

third_party/polymer/v1_0/components/paper-input/paper-input-container.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
 -->
 
@@ skipping 47 matching lines @@
 The following custom properties and mixins are available for styling:
 
 Custom property | Description | Default
 ----------------|-------------|----------
 `--paper-input-container-color` | Label and underline color when the input is not focused | `--secondary-text-color`
 `--paper-input-container-focus-color` | Label and underline color when the input is focused | `--default-primary-color`
 `--paper-input-container-invalid-color` | Label and underline color when the input is focused | `--google-red-500`
 `--paper-input-container-input-color` | Input foreground color | `--primary-text-color`
 `--paper-input-container` | Mixin applied to the container | `{}`
 `--paper-input-container-label` | Mixin applied to the label | `{}`
+`--paper-input-container-label-focus` | Mixin applied to the label when the input is focused | `{}`
 `--paper-input-container-input` | Mixin applied to the input | `{}`
+`--paper-input-container-underline` | Mixin applied to the underline | `{}`
+`--paper-input-container-underline-focus` | Mixin applied to the underline when the input is focued | `{}`
+`--paper-input-container-underline-disabled` | Mixin applied to the underline when the input is disabled | `{}`
 
 This element is `display:block` by default, but you can set the `inline` attribute to make it
 `display:inline-block`.
 -->
 <dom-module id="paper-input-container">
 
   <style>
 
     :host {
       display: block;
@@ skipping 21 matching lines @@
 
     .focused-line {
       height: 2px;
 
       -webkit-transform-origin: center center;
       transform-origin: center center;
       -webkit-transform: scale3d(0,1,1);
       transform: scale3d(0,1,1);
 
       background: var(--paper-input-container-focus-color, --default-primary-color);
+
+      @apply(--paper-input-container-underline-focus);
     }
 
     .underline.is-highlighted .focused-line {
       -webkit-transform: none;
       transform: none;
       -webkit-transition: -webkit-transform 0.25s;
       transition: transform 0.25s;
 
       @apply(--paper-transition-easing);
     }
 
     .underline.is-invalid .focused-line {
       background: var(--paper-input-container-invalid-color, --google-red-500);
 
       -webkit-transform: none;
       transform: none;
       -webkit-transition: -webkit-transform 0.25s;
       transition: transform 0.25s;
 
       @apply(--paper-transition-easing);
     }
 
     .unfocused-line {
       height: 1px;
       background: var(--paper-input-container-color, --secondary-text-color);
+
+      @apply(--paper-input-container-underline);
     }
 
     :host([disabled]) .unfocused-line {
       border-bottom: 1px dashed;
       border-color: var(--paper-input-container-color, --secondary-text-color);
       background: transparent;
+
+      @apply(--paper-input-container-underline-disabled);
     }
 
     .input-content {
       position: relative;
     }
 
     .input-content ::content label,
     .input-content ::content .paper-input-label {
       position: absolute;
       top: 0;
@@ skipping 14 matching lines @@
       transform-origin: left top;
       -webkit-transition: -webkit-transform 0.25s;
       transition: transform 0.25s;
 
       @apply(--paper-transition-easing);
     }
 
     .input-content.label-is-highlighted ::content label,
     .input-content.label-is-highlighted ::content .paper-input-label {
       color: var(--paper-input-container-focus-color, --default-primary-color);
+
+      @apply(--paper-input-container-label-focus);
     }
 
     .input-content.is-invalid ::content label,
     .input-content.is-invalid ::content .paper-input-label {
       color: var(--paper-input-container-invalid-color, --google-red-500);
     }
 
     .input-content.label-is-hidden ::content label,
     .input-content.label-is-hidden ::content .paper-input-label {
       visibility: hidden;
@@ skipping 312 matching lines @@
       } else if (focused) {
         cls += ' is-highlighted'
       }
       return cls;
     }
 
   });
 
 })();
 </script>