Introduce Layout*::adjustVisualRectForRasterEffects and use it for SVG hairlines.

third_party/WebKit/LayoutTests/paint/invalidation/svg/js-update-style-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
+          "object": "LayoutSVGRect rect",
+          "rect": [4, 184, 162, 62],
+          "reason": "style change"
+        },
+        {
+          "object": "LayoutSVGRect rect",
+          "rect": [4, 124, 162, 62],
+          "reason": "style change"
+        },
+        {
+          "object": "LayoutSVGRect rect",
+          "rect": [4, 64, 162, 62],
+          "reason": "style change"
+        },
+        {
+          "object": "LayoutSVGRect rect",
+          "rect": [4, 4, 162, 62],
+          "reason": "style change"
+        },
+        {
           "object": "LayoutSVGContainer g",
           "rect": [6, 6, 158, 238],
           "reason": "style change"
         },
         {
           "object": "LayoutSVGRoot svg",
           "rect": [6, 6, 158, 238],
           "reason": "bounds change"
-        },
-        {
-          "object": "LayoutSVGRect rect",
-          "rect": [6, 186, 158, 58],
-          "reason": "style change"
-        },
-        {
-          "object": "LayoutSVGRect rect",
-          "rect": [6, 126, 158, 58],
-          "reason": "style change"
-        },
-        {
-          "object": "LayoutSVGRect rect",
-          "rect": [6, 66, 158, 58],
-          "reason": "style change"
-        },
-        {
-          "object": "LayoutSVGRect rect",
-          "rect": [6, 6, 158, 58],
-          "reason": "style change"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
       "object": "LayoutSVGRoot svg",
       "reason": "bounds change"
     },
     {
@@ skipping 12 matching lines @@
       "object": "LayoutSVGRect rect",
       "reason": "style change"
     },
     {
       "object": "LayoutSVGRect rect",
       "reason": "style change"
     }
   ]
 }