Bug 201696 [Mac] window hard to resize
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
window.removePageListener(pageListener);
            pageListener = null;
        }
        if (prefListener != null) {
            ResourcesPlugin.getPlugin().getPluginPreferences()
                    .removePropertyChangeListener(prefListener);
            prefListener = null;
        }
        if (propPrefListener != null) {
            WorkbenchPlugin.getDefault().getPreferenceStore()
                    .removePropertyChangeListener(propPrefListener);
            propPrefListener = null;
        }
        if (resourceListener != null) {
            ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceListener);
            resourceListener = null;
        }
        showInQuickMenu.dispose();
        newQuickMenu.dispose();
        
        
        closeAction = null;
        closeAllAction = null;
        closeAllSavedAction = null;
        closeOthersAction = null;
        saveAction = null;
        saveAllAction = null;
        newWindowAction = null;
		newEditorAction = null;
        helpContentsAction = null;