[MD settings] merge polymer 1.0.11; hack for settings checkbox

chrome/browser/resources/settings/checkbox/checkbox.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * `cr-settings-checkbox` is a checkbox that controls a supplied preference.
  *
  * Example:
  *      <cr-settings-checkbox pref="{{prefs.settings.enableFoo}}"
@@ skipping 39 matching lines @@
 
   observers: [
     'prefValueChanged_(pref.value)'
   ],
 
   /** @override */
   ready: function() {
     this.$.events.forward(this.$.checkbox, ['change']);
   },
 
+  /** @override */
+  attached: function() {
+    // HACK(dschuyler): paper-checkbox 1.0.6 will hide the label
+    // if the content is empty.
+    // TODO(dschuyler): rework settings checkbox to use content
+    // rather than spans.
+    this.$.checkbox.$.checkbox.$.checkboxLabel.hidden = false;
+  },

[stevenjb, 2015/08/13 21:44:38]

Is there any reason why this was done here instead of in cr_checkbox.js? That is
broken also.

+
   /** @private */
   prefValueChanged_: function(prefValue) {
     // prefValue is initially undefined when Polymer initializes pref.
     if (prefValue !== undefined) {
       this.checked = this.getNewValue_(prefValue);
     }
   },
 
   /** @private */
   checkedChanged_: function() {
     if (this.pref) {
       this.pref.value = this.getNewValue_(this.checked);
     }
   },
 
   /** @private */
   getNewValue_: function(val) {
     return this.inverted ? !val : val;
   }
 });