public class NavigatorExtensionStateService (Code)
A content extension may have its content and label providers disposed
whenever the extension is activated or deactivated. However, the state model
lives throughout the life of the viewer to allow Action Providers to drive
their behavior from it.
since: 3.3
Create an ExtensionStateServie that will keep track of the state models
of content extensions.
Parameters: theContentService - The content service which manages this state model service.