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LibWeb: Don't get impl in document_tree_child_browsing_context_count
This caused `Object.getOwnPropertyNames(window)` to throw, as the `this` value is `Object`. All users of document_tree_child_browsing_context_count call it on an existing Window impl, including WP::internal_own_property_keys, so getting the impl from the JS VM is not necessary.
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1 changed files with 1 additions and 3 deletions
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@ -1040,10 +1040,8 @@ JS_DEFINE_NATIVE_FUNCTION(Window::btoa)
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// https://html.spec.whatwg.org/multipage/window-object.html#number-of-document-tree-child-browsing-contexts
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JS::ThrowCompletionOr<size_t> Window::document_tree_child_browsing_context_count() const
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{
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auto* impl = TRY(impl_from(vm()));
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// 1. If W's browsing context is null, then return 0.
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auto* this_browsing_context = impl->associated_document().browsing_context();
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auto* this_browsing_context = associated_document().browsing_context();
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if (!this_browsing_context)
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return 0;
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