Move exports from Document to Module

sky/engine/core/html/imports/HTMLImportChild.h

Index: sky/engine/core/html/imports/HTMLImportChild.h
diff --git a/sky/engine/core/html/imports/HTMLImportChild.h b/sky/engine/core/html/imports/HTMLImportChild.h
index a7fd65a349e2acfa58ee944df72f43042ce86776..fd63467e42f146b4ff6ee469a3b66fe1c01891de 100644
--- a/sky/engine/core/html/imports/HTMLImportChild.h
+++ b/sky/engine/core/html/imports/HTMLImportChild.h
@@ -42,6 +42,7 @@ class CustomElementMicrotaskImportStep;
 class HTMLImportLoader;
 class HTMLImportChildClient;
 class Element;
+class Module;
 
 //
 // An import tree node subclas to encapsulate imported document
@@ -65,6 +66,8 @@ public:
     WeakPtr<HTMLImportChild> weakPtr() { return m_weakFactory.createWeakPtr(); }
 #endif
 
+    Module* module() const;
+
     // HTMLImport
     virtual Document* document() const override;
     virtual bool isDone() const override;