       </div>
     </div>
 
+  renderLocalStorageWarning: ->
+    return if @state.fCanSave
+    <div className="allowUserSelect" style={_style.localStorageWarning}>
+      Changes to these settings can't be saved (beyond your current session)
+      due to your current Chrome configuration. Please visit 
+      <b>chrome://settings/content</b> and
+      uncheck the option "Block third-party cookies and site 
+      data". Then close the Chrome DevTools and open them again.
+    </div>
+
   #-----------------------------------------------------
   onClickShowClosedActions: (ev) -> 
     @props.setShowClosedActions ev.target.checked
+
+  #-----------------------------------------------------
+  checkLocalStorage: ->
+    try
+      ls = localStorage.foo
+      @setState fCanSave: true
+    catch e
+      @setState fCanSave: false
 
 #-----------------------------------------------------
 _style = 

    # From Redux.connect
    settings:             React.PropTypes.object.isRequired
    setShowClosedActions: React.PropTypes.func.isRequired

  #-----------------------------------------------------
  render: -> 
    <div className="settings" style={_style.outer}>
      <Icon 
        icon="close" 
        size="lg" 

    right: 5
    top: 5
    cursor: 'pointer'
  localStorageWarning:
    color: 'red'
    border: "1px solid red"
    padding: 15
    marginBottom: 10
    borderRadius: 2

#-----------------------------------------------------
connect = ReactRedux.connect mapStateToProps, mapDispatchToProps
