
Polymer.IronFitBehavior doesn't have a mixin and should be added to component using Polymer.mixinBehavior([Polymer.IronFitBehavior]). Polymer linter doesn't process this correctly. To workaround it the mock mixin was added. It will be used in JSDoc comments after conversion to class-based elements. Change-Id: I61be019129879efe50c11c0f7dd56d6cef679136