6 "contentsOpaque": true,
21 "paintInvalidationClients": [
22 "LayoutBlockFlow HTML",
23 "LayoutBlockFlow BODY",
24 "LayoutGrid DIV id='container'",
25 "LayoutBlockFlow DIV class='item1'",
26 "LayoutBlockFlow DIV",
27 "LayoutBlockFlow DIV class='item2'"