Don't invalidate rect if it's covered by fully invalidated parent's visual rect

third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/line-flow-with-floats-8-expected.txt

Index: third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/line-flow-with-floats-8-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/line-flow-with-floats-8-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/line-flow-with-floats-8-expected.txt
index 151c399c57381f73e43c1a2120297d742f6e9cd9..8ac42c8259301457f9e15b130416f93994efbdff 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/line-flow-with-floats-8-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/line-flow-with-floats-8-expected.txt
@@ -13,71 +13,6 @@
         },
         {
           "object": "LayoutText #text",
-          "rect": [13, 240, 408, 139],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [13, 500, 408, 99],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [13, 480, 408, 99],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 180, 406, 79],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [13, 440, 356, 59],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 80, 355, 119],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 420, 355, 59],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 380, 354, 59],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [65, 380, 304, 59],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [14, 380, 298, 19],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [65, 380, 287, 19],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [134, 360, 131, 19],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [83, 360, 131, 19],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutText #text",
           "rect": [303, 420, 66, 19],
           "reason": "forced by layout"
         },