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

third_party/WebKit/LayoutTests/paint/invalidation/svg/paintorder-filtered-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/svg/paintorder-filtered-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/svg/paintorder-filtered-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/svg/paintorder-filtered-expected.txt
index 8c9babb12d36c04cd84f8b4a046a5e6769235fd1..5dafca622cd9dffd40100657a4c8300d10cb5540 100644
--- a/third_party/WebKit/LayoutTests/paint/invalidation/svg/paintorder-filtered-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/svg/paintorder-filtered-expected.txt
@@ -8,7 +8,7 @@
       "paintInvalidations": [
         {
           "object": "LayoutSVGPath polygon",
-          "rect": [137, 37, 580, 563],
+          "rect": [136, 36, 582, 565],
           "reason": "style change"
         },
         {
@@ -33,27 +33,27 @@
         },
         {
           "object": "LayoutSVGPath polygon",
-          "rect": [456, 166, 133, 132],
+          "rect": [455, 165, 135, 134],
           "reason": "style change"
         },
         {
           "object": "LayoutSVGPath polygon id='t3'",
-          "rect": [320, 166, 133, 132],
+          "rect": [319, 165, 135, 134],
           "reason": "style change"
         },
         {
           "object": "LayoutSVGPath polygon",
-          "rect": [47, 166, 133, 132],
+          "rect": [46, 165, 135, 134],
           "reason": "style change"
         },
         {
-          "object": "LayoutSVGViewportContainer svg id='poly'",
-          "rect": [47, 166, 133, 132],
+          "object": "LayoutSVGPath polygon",
+          "rect": [183, 165, 134, 134],
           "reason": "style change"
         },
         {
-          "object": "LayoutSVGPath polygon",
-          "rect": [184, 166, 132, 132],
+          "object": "LayoutSVGViewportContainer svg id='poly'",
+          "rect": [47, 166, 133, 132],
           "reason": "style change"
         },
         {
@@ -63,7 +63,7 @@
         },
         {
           "object": "LayoutSVGEllipse circle id='t4'",
-          "rect": [46, 28, 7, 7],
+          "rect": [45, 27, 9, 9],
           "reason": "style change"
         }
       ]