Put SVGResourceContainer subtypes into their own property trees.

third_party/WebKit/LayoutTests/paint/invalidation/svg/window-expected.txt

Index: third_party/WebKit/LayoutTests/paint/invalidation/svg/window-expected.txt
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/svg/window-expected.txt b/third_party/WebKit/LayoutTests/paint/invalidation/svg/window-expected.txt
index 14d7ba578fd2e31e76c152eb748c9195f4994715..5c7935692805caeb5873da2baad048b6d1d66945 100644
--- a/third_party/WebKit/LayoutTests/paint/invalidation/svg/window-expected.txt
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/svg/window-expected.txt
@@ -250,36 +250,6 @@
           "object": "LayoutSVGPath line",
           "rect": [428, 388, 10, 2],
           "reason": "layoutObject insertion"
-        },
-        {
-          "object": "LayoutSVGPath line",
-          "rect": [-1, 21, 7, 11],
-          "reason": "layoutObject insertion"
-        },
-        {
-          "object": "LayoutSVGPath line",
-          "rect": [-1, 21, 7, 11],
-          "reason": "layoutObject insertion"
-        },
-        {
-          "object": "LayoutSVGRect rect",
-          "rect": [-1, 21, 7, 11],
-          "reason": "layoutObject insertion"
-        },
-        {
-          "object": "LayoutSVGPath line",
-          "rect": [-1, 29, 6, 3],
-          "reason": "layoutObject insertion"
-        },
-        {
-          "object": "LayoutSVGRect rect",
-          "rect": [0, 22, 5, 9],
-          "reason": "layoutObject insertion"
-        },
-        {
-          "object": "LayoutSVGRect rect",
-          "rect": [0, 22, 5, 9],
-          "reason": "layoutObject insertion"
         }
       ]
     }