Invalidate objects when containing block changed

third_party/WebKit/LayoutTests/fast/repaint/transform-rotate-and-remove-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
         [20, -64, 196, 214],
-        [20, -64, 196, 214],
         [8, 8, 220, 70]
       ],
       "paintInvalidationClients": [
         "LayoutBlockFlow DIV id='rel'",
         "LayoutBlockFlow DIV id='rel'"
       ]
     }
   ]
 }