Bug 55827 [Contributions] Need to remove refs to Platform.getDebugOption from JFace
build I20040323 Standalone JFace applications are currently broken due to several refs to Platform.getDebugOption in JFace, which is only available if Eclipse is running. Should have static flags for the various debug options in JFace, and initialize them from the Workbench.
bundles/org.eclipse.jface/src/org/eclipse/jface/action/ActionContributionItem.java
getAction() != null && getAction().getStyle() == IAction.AS_CHECK_BOX;
			boolean itemIsRadio = (widget.getStyle() & SWT.RADIO) != 0;
			boolean actionIsRadio =
				getAction() != null && getAction().getStyle() == IAction.AS_RADIO_BUTTON;
			return (itemIsCheck != actionIsCheck) || (itemIsRadio != actionIsRadio);
		}
		return false;
	}
	/* (non-Javadoc)
	 * Method declared on IContributionItem.
	 */
	public boolean isEnabled() {
		return action != null && action.isEnabled();
	}
	/**
	 * Returns <code>true</code> if this item is allowed to enable,
	 * <code>false</code> otherwise.
	 * 
	 * @return if this item is allowed to be enabled
	 * @since 2.0
	 */
	protected boolean isEnabledAllowed() {
		if (getParent() == null)
			return true;
		Boolean value = getParent().getOverrides().getEnabled(this);
		return (value == null) ? true : value.booleanValue();
	}
	/**
	 * The <code>ActionContributionItem</code> implementation of this 
	 * <code>ContributionItem</code> method extends the super implementation