Bug 125955 [Field Assist] - StringIndexOutOfBoundsException when backspacing out of a filter
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
* 
	 * @return the time in milliseconds that will pass before a popup is
	 *         automatically opened
	 */
	public int getAutoActivationDelay() {
		return autoActivationDelay;
	}
	/**
	 * Set the delay, in milliseconds, used before autoactivation is triggered.
	 * 
	 * @param delay
	 *            the time in milliseconds that will pass before a popup is
	 *            automatically opened
	 */
	public void setAutoActivationDelay(int delay) {
		autoActivationDelay = delay;
	}
	/**
	 * Return the content adapter that can get or retrieve the text contents
	 * from the adapter's control. This method is used when a client, such as a
	 * content proposal listener, needs to update the control's contents
	 * manually.
	 * 
	 * @return the {@link IControlContentAdapter} which can update the control
	 *         text.
	 */
	public IControlContentAdapter getControlContentAdapter() {
		return controlContentAdapter;
	}
	/**