Bug 18067 Packages View filters not applied when eclipse restarted
Eclipse F1 1) Create a java project with a .classpath file 2) In the packages view open the filter dialog and uncheck "Hide .* files". 3) Notice that the .classpath file is visible 4) Exit eclipse 5) Launch eclipse again. 6) Notice that the .classpath file is not visible in the packages view 7) Open the filter dialog for the Packages view. Notice that "Hide .* files" is still unchecked.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/JavaBrowsingPart.java
if (fWorkingSetFilterActionGroup == null || fWorkingSetFilterActionGroup.getWorkingSet() == null)
			return result;
		IWorkingSet ws= fWorkingSetFilterActionGroup.getWorkingSet();
		String wsstr= JavaBrowsingMessages.getFormattedString("JavaBrowsingPart.toolTip", new String[] { ws.getName() }); 
		if (result.length() == 0)
			return wsstr;
		return JavaBrowsingMessages.getFormattedString("JavaBrowsingPart.toolTip2", new String[] { result, ws.getName() }); 
	}
	
	public String getTitleToolTip() {
		if (fViewer == null)
			return super.getTitleToolTip();
		return getToolTipText(fViewer.getInput());
	}
	protected final StructuredViewer getViewer() {
		return fViewer;
	}
	protected ILabelProvider createLabelProvider() {
		return new AppearanceAwareLabelProvider(
						AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS,
						AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS | JavaElementImageProvider.SMALL_ICONS,
						AppearanceAwareLabelProvider.getDecorators(true, null)
						);
	}
	protected ILabelProvider createTitleProvider() {
		return new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_BASICS | JavaElementLabelProvider.SHOW_SMALL_ICONS);
	}
	protected final ILabelProvider getLabelProvider() {
		return fLabelProvider;