Roll third_party/polymer.

third_party/polymer/v1_0/components-chromium/paper-input/paper-input-char-counter-extracted.js

 Polymer({
     is: 'paper-input-char-counter',
 
     behaviors: [
       Polymer.PaperInputAddonBehavior
     ],
 
     properties: {
       _charCounterStr: {
         type: String,
@@ skipping 20 matching lines @@
       state.value = state.value || '';
 
       var counter = state.value.length.toString();
 
       if (state.inputElement.hasAttribute('maxlength')) {
         counter += '/' + state.inputElement.getAttribute('maxlength');
       }
 
       this._charCounterStr = counter;
     }
-  });
+  });