mshtml: Share nsscript reference with nsnode.

dlls/mshtml/htmlscript.c

@@ -17,6 +17,7 @@
  */
 
 #include <stdarg.h>
+#include <assert.h>
 
 #define COBJMACROS
 
@@ -305,12 +306,6 @@ static HRESULT HTMLScriptElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
     return HTMLElement_QI(&This->element.node, riid, ppv);
 }
 
-static void HTMLScriptElement_destructor(HTMLDOMNode *iface)
-{
-    HTMLScriptElement *This = impl_from_HTMLDOMNode(iface);
-    HTMLElement_destructor(&This->element.node);
-}
-
 static HRESULT HTMLScriptElement_get_readystate(HTMLDOMNode *iface, BSTR *p)
 {
     HTMLScriptElement *This = impl_from_HTMLDOMNode(iface);
@@ -320,7 +315,7 @@ static HRESULT HTMLScriptElement_get_readystate(HTMLDOMNode *iface, BSTR *p)
 
 static const NodeImplVtbl HTMLScriptElementImplVtbl = {
     HTMLScriptElement_QI,
-    HTMLScriptElement_destructor,
+    HTMLElement_destructor,
     HTMLElement_clone,
     HTMLElement_get_attr_col,
     NULL,
@@ -357,14 +352,13 @@ HRESULT HTMLScriptElement_Create(HTMLDocumentNode *doc, nsIDOMHTMLElement *nsele
     ret->IHTMLScriptElement_iface.lpVtbl = &HTMLScriptElementVtbl;
     ret->element.node.vtbl = &HTMLScriptElementImplVtbl;
 
+    HTMLElement_Init(&ret->element, doc, nselem, &HTMLScriptElement_dispex);
+
     nsres = nsIDOMHTMLElement_QueryInterface(nselem, &IID_nsIDOMHTMLScriptElement, (void**)&ret->nsscript);
-    if(NS_FAILED(nsres)) {
-        ERR("Could not get nsIDOMHTMLScriptElement: %08x\n", nsres);
-        heap_free(ret);
-        return E_FAIL;
-    }
 
-    HTMLElement_Init(&ret->element, doc, nselem, &HTMLScriptElement_dispex);
+    /* Share nsscript reference with nsnode */
+    assert(nsres == NS_OK && (nsIDOMNode*)ret->nsscript == ret->element.node.nsnode);
+    nsIDOMNode_Release(ret->element.node.nsnode);
 
     *elem = &ret->element;
     return S_OK;