Bug 36981 call hierarchy: Search scope should be persisted
Search scope should be persisted when the platform shuts down or when the view is closed and reopened.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
for (int i = 0; i < fToggleOrientationActions.length; i++) {
            viewMenu.add(fToggleOrientationActions[i]);
        }
    }
    /**
     *
     */
    public void dispose() {
        disposeMenu(fLocationContextMenu);
        if (fActionGroups != null)
            fActionGroups.dispose();
		
		if (fClipboard != null)
	        fClipboard.dispose();
        super.dispose();
    }
    /**
     * Double click listener which jumps to the method in the source code.
     *
     * @return IDoubleClickListener
     */
    public void doubleClick(DoubleClickEvent event) {
        jumpToSelection(event.getSelection());
    }
    /**
     * Goes to the selected entry, without updating the order of history entries.
     */
    public void gotoHistoryEntry(IMethod entry) {
        if (fMethodHistory.contains(entry)) {