Add temporary hack compatible with old delete behavior so we can roll into...

Add temporary hack compatible with old delete behavior so we can roll into blink. We'll need to update the broken test.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/483753003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23171 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/objects.cc

@@ -5041,6 +5041,12 @@ MaybeHandle<Object> JSObject::DeleteProperty(Handle<JSObject> object,
                                              ? KEEP_INOBJECT_PROPERTIES
                                              : CLEAR_INOBJECT_PROPERTIES;
         Handle<JSObject> holder = it.GetHolder<JSObject>();
+        // TODO(verwaest): Remove this temporary compatibility hack when blink
+        // tests are updated.
+        if (!holder.is_identical_to(object) &&
+            !(object->IsJSGlobalProxy() && holder->IsJSGlobalObject())) {
+          return it.isolate()->factory()->true_value();
+        }
         NormalizeProperties(holder, mode, 0);
         Handle<Object> result =
             DeleteNormalizedProperty(holder, name, delete_mode);