View transition RTEs when new view has actionContent

Steps to reproduce:
1. Compile and launch attached Flex Mobile Project
2. Click push view
3.

Actual Results:

RTE:

TypeError: Error #1009: Cannot access a property or method of a null object reference.
atspark.transitions::ViewTransitionBase/createActionBarEffect()[/Users/stshongr/svn/flex/sdk/branches/hero_private/frameworks/projects/mobilecomponents/src/spark/transitions/ViewTransitionBase.as:895]
atspark.transitions::ViewTransitionBase/prepareForPlay()[/Users/stshongr/svn/flex/sdk/branches/hero_private/frameworks/projects/mobilecomponents/src/spark/transitions/ViewTransitionBase.as:730]
atspark.transitions::SlideViewTransition/prepareForPlay()[/Users/stshongr/svn/flex/sdk/branches/hero_private/frameworks/projects/mobilecomponents/src/spark/transitions/SlideViewTransition.as:528]
atspark.components::ViewNavigator/viewAdded()[/Users/stshongr/svn/flex/sdk/branches/hero_private/frameworks/projects/mobilecomponents/src/spark/components/ViewNavigator.as:2051]
atFunction/http://adobe.com/AS3/2006/builtin::apply()
atmx.core::UIComponent/callLaterDispatcher2()[/Users/stshongr/svn/flex/sdk/branches/hero_private/frameworks/projects/framework/src/mx/core/UIComponent.as:12346]
atmx.core::UIComponent/callLaterDispatcher()[/Users/stshongr/svn/flex/sdk/branches/hero_private/frameworks/projects/framework/src/mx/core/UIComponent.as:12284]

Expected Results:

No RTE.

Workaround (if any):