Bug 170884 [open type] problem with incomplete results
20070118 It seems that sometimes no search matches are shown, only the history entries. - Open the dialog on a larger workspace - Quickly enter two characters and then remove the second one with backspace - You can see that the search is interrrupted at 60% and doesn't start again after the backspace - the result only contains history entries
bundles/org.eclipse.ui.ide.application/src/org/eclipse/ui/internal/ide/application/IDEWorkbenchAdvisor.java
* session; <code>null</code> if uninitialized. Key type:
	 * <code>String</code>, Value type: <code>AboutInfo</code>.
	 */
	private Map newlyAddedBundleGroups;
	/**
	 * Array of <code>AboutInfo</code> for all new installed features that
	 * specify a welcome perspective.
	 */
	private AboutInfo[] welcomePerspectiveInfos = null;
	/**
	 * Helper for managing activites in response to workspace changes.
	 */
	private IDEWorkbenchActivityHelper activityHelper = null;
	/**
	 * Helper for managing work that is performed when the system is otherwise
	 * idle.
	 */
	private IDEIdleHelper idleHelper;
	private Listener settingsChangeListener;
	
	/**
	 * Support class for monitoring workspace changes and periodically
	 * validating the undo history
	 */
	private WorkspaceUndoMonitor workspaceUndoMonitor;
	/**
	 * The IDE workbench error handler.
	 */
	private AbstractStatusHandler ideWorkbenchErrorHandler;
	/**