Deprecate Element.offsetParent/offsetTop/offsetLeft/offsetWidth/offsetHeight

LayoutTests/svg/custom/resource-invalidate-on-target-update-expected.txt

+CONSOLE WARNING: 'Element.offsetTop' is deprecated and will be removed in M47, around Novemver 2015. The offset* attributes are only standardized and widely supported for HTML elements
 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
         [120, 10, 110, 350],
         [120, 10, 110, 350],
         [10, 130, 200, 100],
         [10, 130, 100, 100],
         [10, 10, 200, 100],
         [10, 10, 100, 100],
         [0, 240, 230, 120],
         [0, 240, 120, 120]
       ],
       "paintInvalidationClients": [
         "LayoutSVGRoot svg",
         "LayoutSVGContainer g id='box'",
         "LayoutSVGRect rect id='rect1'",
         "LayoutSVGRect rect id='rect2'",
         "LayoutSVGRect rect id='rect3'"
       ]
     }
   ]
 }