Upgrade to 1.0 and switch clients to dom-repeat where needed.

third_party/polymer/v0_8/components-chromium/paper-icon-button/paper-icon-button-extracted.js

 
   Polymer({
     is: 'paper-icon-button',
 
     behaviors: [
-      Polymer.PaperButtonBehavior
+      Polymer.PaperButtonBehavior,
+      Polymer.PaperRadioButtonBehavior
     ],
 
-    enableCustomStyleProperties: true,
-
     properties: {
       /**
        * The URL of an image for the icon. If the src property is specified,
        * the icon property should not be.
        */
       src: {
         type: String
       },
 
       /**
        * Specifies the icon name or index in the set of icons available in
        * the icon's icon set. If the icon property is specified,
        * the src property should not be.
        */
       icon: {
         type: String
       }
     }
   });