Bug 75711 AstProvider should not create AST if requested by SelectionListenerWithASTManager
3.1 M2 If SelectionListenerWithASTManager waits for an AST and the editor closes we should not create an AST for that one but return null instead.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/OverrideIndicatorLabelDecorator.java
}	
	/*
	 * Creates decorator with a shared image registry.
	 * 
	 * @param registry The registry to use or <code>null</code> to use the Java plugin's
	 * image registry.
	 */	
	/**
	 * Note: This constructor is for internal use only. Clients should not call this constructor.
	 * @param registry The registry to use.
	 */
	public OverrideIndicatorLabelDecorator(ImageDescriptorRegistry registry) {
		fRegistry= registry;
	}
	
	private ImageDescriptorRegistry getRegistry() {
		if (fRegistry == null) {
			fRegistry= fUseNewRegistry ? new ImageDescriptorRegistry() : JavaPlugin.getImageDescriptorRegistry();
		}
		return fRegistry;
	}	
	
	
	/* (non-Javadoc)
	 * @see ILabelDecorator#decorateText(String, Object)
	 */
	public String decorateText(String text, Object element) {
		return text;
	}	
	/* (non-Javadoc)