Roll Polymer to 1.3.1

third_party/polymer/v1_0/components-chromium/iron-autogrow-textarea/iron-autogrow-textarea.html

Index: third_party/polymer/v1_0/components-chromium/iron-autogrow-textarea/iron-autogrow-textarea.html
diff --git a/third_party/polymer/v1_0/components-chromium/iron-autogrow-textarea/iron-autogrow-textarea.html b/third_party/polymer/v1_0/components-chromium/iron-autogrow-textarea/iron-autogrow-textarea.html
index cdd80b2fa5c5eb906f34d3978e1db137f58d2f42..ede930168a6e955db5daf060847dfb5e9cdd5aae 100644
--- a/third_party/polymer/v1_0/components-chromium/iron-autogrow-textarea/iron-autogrow-textarea.html
+++ b/third_party/polymer/v1_0/components-chromium/iron-autogrow-textarea/iron-autogrow-textarea.html
@@ -21,9 +21,6 @@ Example:
 
     <iron-autogrow-textarea></iron-autogrow-textarea>
 
-Because the `textarea`'s `value` property is not observable, you should use
-this element's `bind-value` instead for imperative updates.
-
 ### Styling
 
 The following custom properties and mixins are available for styling:
@@ -31,6 +28,7 @@ The following custom properties and mixins are available for styling:
 Custom property | Description | Default
 ----------------|-------------|----------
 `--iron-autogrow-textarea` | Mixin applied to the textarea | `{}`
+`--iron-autogrow-textarea-placeholder` | Mixin applied to the textarea placeholder | `{}`
 
 @group Iron Elements
 @hero hero.svg
@@ -48,6 +46,7 @@ Custom property | Description | Default
       padding: 2px;
       -moz-appearance: textarea;
       -webkit-appearance: textarea;
+      overflow: hidden;
     }
 
     .mirror-text {
@@ -80,6 +79,21 @@ Custom property | Description | Default
       box-shadow: none;
     }
 
+    textarea::-webkit-input-placeholder {
+      @apply(--iron-autogrow-textarea-placeholder);
+    }
+
+    textarea:-moz-placeholder {
+      @apply(--iron-autogrow-textarea-placeholder);
+    }
+
+    textarea::-moz-placeholder {
+      @apply(--iron-autogrow-textarea-placeholder);
+    }
+
+    textarea:-ms-input-placeholder {
+      @apply(--iron-autogrow-textarea-placeholder);
+    }
   </style>
   <template>
     <!-- the mirror sizes the input/textarea so it grows with typing -->
@@ -88,7 +102,7 @@ Custom property | Description | Default
 
     <!-- size the input/textarea with a div, because the textarea has intrinsic size in ff -->
     <div class="textarea-container fit">
-      <textarea id="textarea" autocomplete$="[[autocomplete]]" autofocus$="[[autofocus]]" inputmode$="[[inputmode]]" placeholder$="[[placeholder]]" readonly$="[[readonly]]" required$="[[required]]" disabled$="[[disabled]]" rows$="[[rows]]" maxlength$="[[maxlength]]"></textarea>
+      <textarea id="textarea" name$="[[name]]" autocomplete$="[[autocomplete]]" autofocus$="[[autofocus]]" inputmode$="[[inputmode]]" placeholder$="[[placeholder]]" readonly$="[[readonly]]" required$="[[required]]" disabled$="[[disabled]]" rows$="[[rows]]" maxlength$="[[maxlength]]"></textarea>
     </div>
   </template>
 </dom-module>