Bug 85377 Call Hierarchy has no context help
I20050215-2300 The new Help view shows a generic help message when the Call Hierarchy is active. What's strange, is that the message is different from the generic message you get when the ASTView or the Progress View is active.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/callhierarchy/CallHierarchyViewPart.java
* Adds the entry if new. Inserted at the beginning of the history entries list.
     */
    private void addHistoryEntry(IJavaElement entry) {
        if (fMethodHistory.contains(entry)) {
            fMethodHistory.remove(entry);
        }
        fMethodHistory.add(0, entry);
        fHistoryDropDownAction.setEnabled(!fMethodHistory.isEmpty());
    }
    /**
     * @param parent
     */
    private void createLocationViewer(Composite parent) {
        fLocationViewer= new LocationViewer(parent);
        fLocationViewer.getControl().addKeyListener(createKeyListener());
        fLocationViewer.initContextMenu(new IMenuListener() {
                public void menuAboutToShow(IMenuManager menu) {
                    fillLocationViewerContextMenu(menu);
                }
            }, ID_CALL_HIERARCHY, getSite());
    }
    private void createHierarchyLocationSplitter(Composite parent) {
        fHierarchyLocationSplitter = new SashForm(parent, SWT.NONE);
        fHierarchyLocationSplitter.addKeyListener(createKeyListener());
    }
    private void createCallHierarchyViewer(Composite parent) {
        fCallHierarchyViewer = new CallHierarchyViewer(parent, this);
        fCallHierarchyViewer.addKeyListener(createKeyListener());
        fCallHierarchyViewer.addSelectionChangedListener(this);
        fCallHierarchyViewer.initContextMenu(new IMenuListener() {