Implement sealing, freezing, and related functions for proxies.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 19f09a15ce3ddae09ed05b06cf49a98b39f2f377..f232fb92e25813b05628cec781a9892204e7a813 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -253,6 +253,8 @@ class Factory {
 
   Handle<JSProxy> NewJSProxy(Handle<Object> handler, Handle<Object> prototype);
 
+  void BecomeJSObject(Handle<JSReceiver> object);

[Mads Ager (chromium), 2011/07/17 10:43:47]

A comment explaining what this operation does would be nice. Also, I guess the
object has to be a proxy or function proxy? If that is the case I think we
should restrict the type from JSReceiver to JSProxy for the argument.

[rossberg, 2011/07/18 10:53:53]

Done.

+
   Handle<JSFunction> NewFunction(Handle<String> name,
                                  Handle<Object> prototype);