jscript: Use jsdisp_get_own_property in Object.hasOwnProperty implementation.

dlls/jscript/dispex.c

@@ -1589,19 +1589,6 @@ HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL
     return hres;
 }
 
-HRESULT jsdisp_is_own_prop(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
-{
-    dispex_prop_t *prop;
-    HRESULT hres;
-
-    hres = find_prop_name(obj, string_hash(name), name, &prop);
-    if(FAILED(hres))
-        return hres;
-
-    *ret = prop && (prop->type == PROP_JSVAL || prop->type == PROP_BUILTIN);
-    return S_OK;
-}
-
 HRESULT jsdisp_is_enumerable(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
 {
     dispex_prop_t *prop;

dlls/jscript/jscript.h

@@ -294,7 +294,6 @@ HRESULT disp_delete(IDispatch*,DISPID,BOOL*) DECLSPEC_HIDDEN;
 HRESULT disp_delete_name(script_ctx_t*,IDispatch*,jsstr_t*,BOOL*) DECLSPEC_HIDDEN;
 HRESULT jsdisp_delete_idx(jsdisp_t*,DWORD) DECLSPEC_HIDDEN;
 HRESULT jsdisp_get_own_property(jsdisp_t*,const WCHAR*,BOOL,property_desc_t*) DECLSPEC_HIDDEN;
-HRESULT jsdisp_is_own_prop(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
 HRESULT jsdisp_is_enumerable(jsdisp_t*,const WCHAR*,BOOL*) DECLSPEC_HIDDEN;
 
 HRESULT create_builtin_function(script_ctx_t*,builtin_invoke_t,const WCHAR*,const builtin_info_t*,DWORD,

dlls/jscript/object.c

@@ -138,20 +138,21 @@ static HRESULT Object_hasOwnProperty(script_ctx_t *ctx, vdisp_t *jsthis, WORD fl
         return hres;
 
     if(is_jsdisp(jsthis)) {
+        property_desc_t prop_desc;
         const WCHAR *name_str;
-        BOOL result;
 
         name_str = jsstr_flatten(name);
-        if(name_str)
-            hres = jsdisp_is_own_prop(jsthis->u.jsdisp, name_str, &result);
-        else
-            hres = E_OUTOFMEMORY;
+        if(!name_str) {
+            jsstr_release(name);
+            return E_OUTOFMEMORY;
+        }
+
+        hres = jsdisp_get_own_property(jsthis->u.jsdisp, name_str, TRUE, &prop_desc);
         jsstr_release(name);
-        if(FAILED(hres))
+        if(FAILED(hres) && hres != DISP_E_UNKNOWNNAME)
             return hres;
 
-        if(r)
-            *r = jsval_bool(result);
+        if(r) *r = jsval_bool(hres == S_OK);
         return S_OK;
     }