Roll Polymer

third_party/polymer/v1_0/components-chromium/paper-checkbox/paper-checkbox-extracted.js

Index: third_party/polymer/v1_0/components-chromium/paper-checkbox/paper-checkbox-extracted.js
diff --git a/third_party/polymer/v1_0/components-chromium/paper-checkbox/paper-checkbox-extracted.js b/third_party/polymer/v1_0/components-chromium/paper-checkbox/paper-checkbox-extracted.js
index d5952183d02504e2ecebdb2131bb4764cd7cbe01..445fce942dc990d35ad3ae0c625636aa59795feb 100644
--- a/third_party/polymer/v1_0/components-chromium/paper-checkbox/paper-checkbox-extracted.js
+++ b/third_party/polymer/v1_0/components-chromium/paper-checkbox/paper-checkbox-extracted.js
@@ -29,6 +29,24 @@ Polymer({
         }
       },
 
+      attached: function() {
+        var inkSize = this.getComputedStyleValue('--calculated-paper-checkbox-ink-size');
+        // If unset, compute and set the default `--paper-checkbox-ink-size`.
+        if (inkSize === '-1px') {
+          var checkboxSize = parseFloat(this.getComputedStyleValue('--calculated-paper-checkbox-size'));
+          var defaultInkSize = Math.floor((8 / 3) * checkboxSize);
+
+          // The checkbox and ripple need to have the same parity so that their
+          // centers align.
+          if (defaultInkSize % 2 !== checkboxSize % 2) {
+            defaultInkSize++;
+          }
+
+          this.customStyle['--paper-checkbox-ink-size'] = defaultInkSize + 'px';
+          this.updateStyles();
+        }
+      },
+
       _computeCheckboxClass: function(checked, invalid) {
         var className = '';
         if (checked) {