Update Polymer components.

third_party/polymer/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 72 matching lines @@
 `--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 | `--primary-color`
 `--paper-input-container-invalid-color` | Label and underline color when the input is is invalid | `--error-color`
 `--paper-input-container-input-color` | Input foreground color | `--primary-text-color`
 `--paper-input-container` | Mixin applied to the container | `{}`
 `--paper-input-container-disabled` | Mixin applied to the container when it's disabled | `{}`
 `--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-label-floating` | Mixin applied to the label when floating | `{}`
 `--paper-input-container-input` | Mixin applied to the input | `{}`
+`--paper-input-container-input-focus` | Mixin applied to the input when focused | `{}`
+`--paper-input-container-input-invalid` | Mixin applied to the input when invalid | `{}`
 `--paper-input-container-input-webkit-spinner` | Mixin applied to the webkit spinner | `{}`
+`--paper-input-container-input-webkit-clear` | Mixin applied to the webkit clear button | `{}`
+`--paper-input-container-ms-clear` | Mixin applied to the Internet Explorer clear button | `{}`
 `--paper-input-container-underline` | Mixin applied to the underline | `{}`
 `--paper-input-container-underline-focus` | Mixin applied to the underline when the input is focused | `{}`
 `--paper-input-container-underline-disabled` | Mixin applied to the underline when the input is disabled | `{}`
 `--paper-input-prefix` | Mixin applied to the input prefix | `{}`
 `--paper-input-suffix` | Mixin applied to the input suffix | `{}`
 
 This element is `display:block` by default, but you can set the `inline` attribute to make it
 `display:inline-block`.
 -->
 
@@ skipping 166 matching lines @@
         border: none;
         color: var(--paper-input-container-input-color, --primary-text-color);
         -webkit-appearance: none;
         text-align: inherit;
         vertical-align: bottom;
 
         @apply(--paper-font-subhead);
         @apply(--paper-input-container-input);
       }
 
+      .input-content.focused ::content input,
+      .input-content.focused ::content textarea,
+      .input-content.focused ::content iron-autogrow-textarea,
+      .input-content.focused ::content .paper-input-input {
+        @apply(--paper-input-container-input-focus);
+      }
+
+      .input-content.is-invalid ::content input,
+      .input-content.is-invalid ::content textarea,
+      .input-content.is-invalid ::content iron-autogrow-textarea,
+      .input-content.is-invalid ::content .paper-input-input {
+        @apply(--paper-input-container-input-invalid);
+      }
+
       .input-content ::content input::-webkit-outer-spin-button,
       .input-content ::content input::-webkit-inner-spin-button {
         @apply(--paper-input-container-input-webkit-spinner);
       }
 
       ::content [prefix] {
         @apply(--paper-font-subhead);
 
         @apply(--paper-input-prefix);
         @apply(--layout-flex-none);
@@ skipping 297 matching lines @@
           if (invalid) {
             cls += ' is-invalid';
           } else if (focused) {
             cls += " label-is-highlighted";
           }
         } else {
           // When the label is not floating, it should overlap the input element.
           if (label) {
             this.$.labelAndInputContainer.style.position = 'relative';
           }
+          if (invalid) {
+            cls += ' is-invalid';
+          }
         }
       } else {
         if (_inputHasContent) {
           cls += ' label-is-hidden';
         }
+        if (invalid) {
+          cls += ' is-invalid';
+        }
+      }
+      if (focused) {
+        cls += ' focused';
       }
       return cls;
     },
 
     _computeUnderlineClass: function(focused, invalid) {
       var cls = 'underline';
       if (invalid) {
         cls += ' is-invalid';
       } else if (focused) {
         cls += ' is-highlighted'
       }
       return cls;
     },
 
     _computeAddOnContentClass: function(focused, invalid) {
       var cls = 'add-on-content';
       if (invalid) {
         cls += ' is-invalid';
       } else if (focused) {
         cls += ' is-highlighted'
       }
       return cls;
     }
   });
 </script>