Bug 47875 Java search: too many cascading menus
- remove everything except reference. Inline reference in main menu - make it work in progress (per default enabled)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/JavaSearchActionGroup.java
fImplementorsGroup= new ImplementorsSearchGroup(fEditor);
		fOccurrencesInFileAction= new FindOccurrencesInFileAction(fEditor);
	}
	private JavaSearchActionGroup(IWorkbenchSite site) {
		fReferencesGroup= new ReferencesSearchGroup(site);
		fReadAccessGroup= new ReadReferencesSearchGroup(site);
		fWriteAccessGroup= new WriteReferencesSearchGroup(site);
		fDeclarationsGroup= new DeclarationsSearchGroup(site);
		fImplementorsGroup= new ImplementorsSearchGroup(site);
		fSite= site;
	}
	/* 
	 * Method declared on ActionGroup.
	 */
	public void setContext(ActionContext context) {
		fReferencesGroup.setContext(context);
		fDeclarationsGroup.setContext(context);
		fImplementorsGroup.setContext(context);
		fReadAccessGroup.setContext(context);
		fWriteAccessGroup.setContext(context);
	}
	/* 
	 * Method declared on ActionGroup.
	 */
	public void fillActionBars(IActionBars actionBar) {
		super.fillActionBars(actionBar);
		fReferencesGroup.fillActionBars(actionBar);
		fDeclarationsGroup.fillActionBars(actionBar);
		fImplementorsGroup.fillActionBars(actionBar);
		fReadAccessGroup.fillActionBars(actionBar);