Add method to set security support after creation.

js/rhino/org/mozilla/javascript/Context.java

@@ -1354,6 +1354,7 @@ public final class Context {
     
     /**
      * Remove a Context listener.
+     * @param listener the listener to remove.
      */
     public static void removeContextListener(ContextListener listener) {
         if (contextListeners == null)
@@ -1363,6 +1364,22 @@ public final class Context {
                 contextListeners.removeElementAt(i);
         }
     }
+
+    /**
+     * Set the security support for this context. 
+     * <p> SecuritySupport may only be set if it is currently null.
+     * Otherwise a SecurityException is thrown.
+     * @param securitySupportObj a SecuritySupport object
+     * @throws SecurityException if there is already a SecuritySupport
+     *         object for this Context
+     */
+    public void setSecuritySupport(SecuritySupport securitySupportObj) {
+        if (securitySupport != null) {
+            throw new SecurityException("Cannot overwrite existing " +
+                                        "SecuritySupport object");
+        }
+        securitySupport = securitySupportObj;
+    }
         
     /**
      * Return true if a security domain is required on calls to

js/rhino/src/org/mozilla/javascript/Context.java

@@ -1354,6 +1354,7 @@ public final class Context {
     
     /**
      * Remove a Context listener.
+     * @param listener the listener to remove.
      */
     public static void removeContextListener(ContextListener listener) {
         if (contextListeners == null)
@@ -1363,6 +1364,22 @@ public final class Context {
                 contextListeners.removeElementAt(i);
         }
     }
+
+    /**
+     * Set the security support for this context. 
+     * <p> SecuritySupport may only be set if it is currently null.
+     * Otherwise a SecurityException is thrown.
+     * @param securitySupportObj a SecuritySupport object
+     * @throws SecurityException if there is already a SecuritySupport
+     *         object for this Context
+     */
+    public void setSecuritySupport(SecuritySupport securitySupportObj) {
+        if (securitySupport != null) {
+            throw new SecurityException("Cannot overwrite existing " +
+                                        "SecuritySupport object");
+        }
+        securitySupport = securitySupportObj;
+    }
         
     /**
      * Return true if a security domain is required on calls to