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third_party/polymer/components/paper-input/paper-input-container.html

Index: third_party/polymer/components/paper-input/paper-input-container.html
diff --git a/third_party/polymer/components/paper-input/paper-input-container.html b/third_party/polymer/components/paper-input/paper-input-container.html
index 297410d31145f018de5e32dc9f54b312e6a5ec87..815a0a36ad1da226995dbb5c6a6111ab8f51ee7f 100644
--- a/third_party/polymer/components/paper-input/paper-input-container.html
+++ b/third_party/polymer/components/paper-input/paper-input-container.html
@@ -110,7 +110,7 @@ This element is `display:block` by default, but you can set the `inline` attribu
         @apply(--paper-input-container);
       }
 
-      :host[inline] {
+      :host([inline]) {
         display: inline-block;
       }
 
@@ -121,6 +121,10 @@ This element is `display:block` by default, but you can set the `inline` attribu
         @apply(--paper-input-container-disabled);
       }
 
+      :host([hidden]) {
+        display: none !important;
+      }
+
       .floated-label-placeholder {
         @apply(--paper-font-caption);
       }
@@ -310,7 +314,7 @@ This element is `display:block` by default, but you can set the `inline` attribu
     </style>
 
     <template is="dom-if" if="[[!noLabelFloat]]">
-      <div class="floated-label-placeholder">&nbsp;</div>
+      <div class="floated-label-placeholder" aria-hidden="true">&nbsp;</div>
     </template>
 
     <div class$="[[_computeInputContentClass(noLabelFloat,alwaysFloatLabel,focused,invalid,_inputHasContent)]]">