Using SecurityUtilities to query system properties

js/rhino/toolsrc/org/mozilla/javascript/tools/debugger/Dim.java

@@ -297,7 +297,7 @@ public class Dim {
                     // Can be a file name
                     try {
                         if (sourceUrl.startsWith("~/")) {
-                            String home = System.getProperty("user.home");
+                            String home = SecurityUtilities.getSystemProperty("user.home");
                             if (home != null) {
                                 String pathFromHome = sourceUrl.substring(2);
                                 File f = new File(new File(home), pathFromHome);

js/rhino/toolsrc/org/mozilla/javascript/tools/debugger/SwingGui.java

@@ -52,6 +52,7 @@ import javax.swing.tree.TreePath;
 import java.lang.reflect.Method;
 
 import org.mozilla.javascript.Kit;
+import org.mozilla.javascript.SecurityUtilities;
 
 import org.mozilla.javascript.tools.shell.ConsoleTextArea;
 
@@ -583,7 +584,7 @@ public class SwingGui extends JFrame implements GuiCallback {
     private String chooseFile(String title) {
         dlg.setDialogTitle(title);
         File CWD = null;
-        String dir = System.getProperty("user.dir");
+        String dir = SecurityUtilities.getSystemProperty("user.dir");
         if (dir != null) {
             CWD = new File(dir);
         }