diff options
Diffstat (limited to 'components/script')
| -rw-r--r-- | components/script/dom/windowproxy.rs | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/components/script/dom/windowproxy.rs b/components/script/dom/windowproxy.rs index e37e561af06..0f92e4b3367 100644 --- a/components/script/dom/windowproxy.rs +++ b/components/script/dom/windowproxy.rs @@ -637,13 +637,11 @@ impl WindowProxy { // The old window proxy no longer owns this browsing context. SetProxyReservedSlot(old_js_proxy.get(), 0, &PrivateValue(ptr::null_mut())); - // Brain transpant the window proxy. - // We need to do this, because the Window and WindowProxy - // objects need to be in the same realm. - // JS_TransplantObject does this by copying the contents - // of the old window proxy to the new window proxy, then - // making the old window proxy a cross-realm wrapper - // pointing to the new window proxy. + // Brain transpant the window proxy. Brain transplantation is + // usually done to move a window proxy between compartments, but + // that's not what we are doing here. We need to do this just + // because we want to replace the wrapper's `ProxyTraps`, but we + // don't want to update its identity. rooted!(in(*cx) let new_js_proxy = NewWindowProxy(*cx, window_jsobject, handler)); debug!( "Transplanting proxy from {:p} to {:p}.", |